Stress management with biking, exercise and diet
#1
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Stress management with biking, exercise and diet
This posting is a bit unusual but it may do some good for someone under a lot of stress.
I needed to attend a multiple day management meeting in Germany to decide the fate of some dear co-workers. This is the most stress I experienced for some years. Here is how I was coping with that:
Biked every day for seven days, three hours prior to the trip.
Left last Saturday AM.
Lost a night of sleep while on Airplane.
Arrived at hotel 9:00 AM Sunday.
Hiked from the hotel for 4 hours and 16 miles.
Had the first meeting starting at 5:00 PM Sunday until 11:00 PM.
Slept until 3:00 AM due to jet lag.
Next meeting Monday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Next meeting Tuesday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Traveled from 6:00 AM German time to 6:00 PM Chicago time. That is 18 hours in transit.
Biked every day after that trip for three hours including today.
The diet was vegetarian only with occasional fish. Plenty of good red wine.
My co-workers at that meeting were in their 40's and dealt with the stress by smoking. I am 65 and do not want to do another one of these trips. However I survived. (barely, feel like s**t)
I needed to attend a multiple day management meeting in Germany to decide the fate of some dear co-workers. This is the most stress I experienced for some years. Here is how I was coping with that:
Biked every day for seven days, three hours prior to the trip.
Left last Saturday AM.
Lost a night of sleep while on Airplane.
Arrived at hotel 9:00 AM Sunday.
Hiked from the hotel for 4 hours and 16 miles.
Had the first meeting starting at 5:00 PM Sunday until 11:00 PM.
Slept until 3:00 AM due to jet lag.
Next meeting Monday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Next meeting Tuesday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Traveled from 6:00 AM German time to 6:00 PM Chicago time. That is 18 hours in transit.
Biked every day after that trip for three hours including today.
The diet was vegetarian only with occasional fish. Plenty of good red wine.
My co-workers at that meeting were in their 40's and dealt with the stress by smoking. I am 65 and do not want to do another one of these trips. However I survived. (barely, feel like s**t)
#3
Happy Rider
Join Date: Nov 2006
Location: Texas
Posts: 749
Bikes: Gold Rush, Moots compact, Bike Friday Pocket Crusoe
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by will dehne
This posting is a bit unusual but it may do some good for someone under a lot of stress.
I needed to attend a multiple day management meeting in Germany to decide the fate of some dear co-workers. This is the most stress I experienced for some years. Here is how I was coping with that:
Biked every day for seven days, three hours prior to the trip.
Left last Saturday AM.
Lost a night of sleep while on Airplane.
Arrived at hotel 9:00 AM Sunday.
Hiked from the hotel for 4 hours and 16 miles.
Had the first meeting starting at 5:00 PM Sunday until 11:00 PM.
Slept until 3:00 AM due to jet lag.
Next meeting Monday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Next meeting Tuesday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Traveled from 6:00 AM German time to 6:00 PM Chicago time. That is 18 hours in transit.
Biked every day after that trip for three hours including today.
The diet was vegetarian only with occasional fish. Plenty of good red wine.
My co-workers at that meeting were in their 40's and dealt with the stress by smoking. I am 65 and do not want to do another one of these trips. However I survived. (barely, feel like s**t)
I needed to attend a multiple day management meeting in Germany to decide the fate of some dear co-workers. This is the most stress I experienced for some years. Here is how I was coping with that:
Biked every day for seven days, three hours prior to the trip.
Left last Saturday AM.
Lost a night of sleep while on Airplane.
Arrived at hotel 9:00 AM Sunday.
Hiked from the hotel for 4 hours and 16 miles.
Had the first meeting starting at 5:00 PM Sunday until 11:00 PM.
Slept until 3:00 AM due to jet lag.
Next meeting Monday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Next meeting Tuesday at 8:00 AM until 10:00 PM through lunch and dinner.
Slept until 3:00 AM due to jet lag.
Traveled from 6:00 AM German time to 6:00 PM Chicago time. That is 18 hours in transit.
Biked every day after that trip for three hours including today.
The diet was vegetarian only with occasional fish. Plenty of good red wine.
My co-workers at that meeting were in their 40's and dealt with the stress by smoking. I am 65 and do not want to do another one of these trips. However I survived. (barely, feel like s**t)
#4
Banned.
Join Date: Jan 2006
Location: Post-partisan Paradise
Posts: 4,938
Bikes: GF Wahoo '05, Trek T1000 '04, Lemond Buenos Aires '07
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 7 Times
in
2 Posts
Originally Posted by card
No wonder foreign countries are surging in the economic world. We go negotiate from the US with no sleep, no food and a different clock.
#6
Happy Rider
Join Date: Nov 2006
Location: Texas
Posts: 749
Bikes: Gold Rush, Moots compact, Bike Friday Pocket Crusoe
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by The Weak Link
Dang. I wonder if we'll ever catch up to the French or Italians. They get amazing productivity from their workers.
You explain.
#7
Veteran, Pacifist
Join Date: Dec 2004
Location: Seattle area
Posts: 13,327
Bikes: Bikes??? Thought this was social media?!?
Mentioned: 284 Post(s)
Tagged: 0 Thread(s)
Quoted: 3897 Post(s)
Liked 4,829 Times
in
2,228 Posts
My life has been stressful for a couple of years now (wasn't it supposed to get easier approaching the golden years?) and cycling is the most effective way for me to deal with it. The combination of exercise and the sense of "breaking free" help me cope.
#8
Senior Member
Join Date: May 2005
Posts: 2,259
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
What I find interesting about cyling is that not only does it help me cope with stressfull things I shouldn't be bothered by, it also helps me cope with stressful things I probably should be bothered by!
#9
Ride Daddy Ride
Join Date: Feb 2007
Location: Villa Incognito
Posts: 2,648
Bikes: 1983 Trek 720; 1983 Trek 620; 1989 Gi Cannondale Bad Boy Ultra; LeMond Victoire; Bike Friday Pocket Rocket Pro
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 1 Time
in
1 Post
Thanks, will, for inspiring me to eat healthy and hit the gym during my upcoming business trip. It's easy to fall into all sorts of bad habits on the road.
__________________
"Light it up, Popo." --Levi Leipheimer
"Light it up, Popo." --Levi Leipheimer
#10
Senior Member
Join Date: Jun 2006
Posts: 2,023
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 1 Time
in
1 Post
My students (10 and 11 years old) were leaving yesterday and I was getting the usual hugs and high fives and taking a relatively low stress job for granted. I can't imagine what others undergo in private sector "business" jobs. Will, you seem such a nice, healthy-minded guy to be mired in that world. (Apologies to successful, content, productive business people here and abroad.)
Last edited by CrossChain; 05-19-07 at 08:31 AM.
#11
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Hi guys,
I posted on the 50+ because you guys would commiserate. You have been there done that. Thank God for that.
This weekend, My wife of 45 years marriage and I escaped to Wisconsin. We climbed some rocks in Devils State Park, enjoyed great dinner and wine in the HO-Chunk Casino, Biked a furious 50 miles on a Tandem and were very happy. We also discussed this trip and the consequences. My own situation is secure. It is my co-workers. However, you can only do what you can do.
Next week we will get the fall out of that trip. Good or bad.
A great German Philosopher (Kant) once said: It is amazing how little control you have over your life.
I can attest to that. In the meantime, thanks for some good friends, even Internet friends.
I posted on the 50+ because you guys would commiserate. You have been there done that. Thank God for that.
This weekend, My wife of 45 years marriage and I escaped to Wisconsin. We climbed some rocks in Devils State Park, enjoyed great dinner and wine in the HO-Chunk Casino, Biked a furious 50 miles on a Tandem and were very happy. We also discussed this trip and the consequences. My own situation is secure. It is my co-workers. However, you can only do what you can do.
Next week we will get the fall out of that trip. Good or bad.
A great German Philosopher (Kant) once said: It is amazing how little control you have over your life.
I can attest to that. In the meantime, thanks for some good friends, even Internet friends.
#12
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by Big Paulie
What I find interesting about cyling is that not only does it help me cope with stressfull things I shouldn't be bothered by, it also helps me cope with stressful things I probably should be bothered by!
I have found that suppression of emotions do not get rid of these emotions but they work in my (I call it that) reptile brain where it really gets to work. The next thing is that I make mistakes I never do at normal times.
When I say stress I mean this: Nausea, vision affected, tingling in fingers, ears popping.
And this is from a guy who is very healthy and fit.
#13
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by CrossChain
My students (10 and 11 years old) were leaving yesterday and I was getting the usual hugs and high fives and taking a relatively low stress job for granted. I can't imagine what others undergo in private sector "business" jobs. Will, you seem such a nice, healthy-minded guy to be mired in that world. (Apologies to successful, content, productive business people here and abroad.)
You guys know about the Daimler Chrysler deal? The German Corporation cut bait and dumped Chrysler on an investment firm. The stress and uncertainty this causes one can only imagine.
My company is in the same industry and in fact DCX is a major customer. The shareholders of my company did not realize a return on investment on par with (for instance) an investment grade bond. Therefore my company is reorganizing and I must deal with it or get the hell out of the way.
That would be the easy way but not necessary a good way I can sleep with for years to come.
Loyalties, obligations, IOU's!
The German Philosopher J.W. Von Goethe said: Finding balance, that is where the art (or skill) is.
#14
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by Jet Travis
Thanks, will, for inspiring me to eat healthy and hit the gym during my upcoming business trip. It's easy to fall into all sorts of bad habits on the road.
#15
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by card
35.5 hrs work week, strong Euro, sloppy productivity, long life, healthy diet, WAY lower obeisity rate...........we go there to negotiate, they buy our t-bond, we borrow their money and can't afford to go there for vacation because the Euro is 2 to 1.
You explain.
You explain.
Time will tell what works in the long run.
I do observe that the USA has given up many core industries such as: Steel, Machine Tools, TV, Camera, many consumer goods, loosing Automotive, much of furniture, much of textile.
#16
Let's do a Century
Join Date: Oct 2004
Location: North Carolina
Posts: 8,316
Bikes: Cervelo R3 Disc, Pinarello Prince/Campy SR; Cervelo R3/Sram Red; Trek 5900/Duraace, Lynskey GR260 Ultegra
Mentioned: 59 Post(s)
Tagged: 0 Thread(s)
Quoted: 651 Post(s)
Liked 879 Times
in
408 Posts
Will-thank you so much for setting a terrific example for us all and for sharing your ingredients for how to better cope with stress. I have a couple of our of town business opportunities coming up and I've found it extremely difficult to stay on task (keep up the healthiest lifestyle) but your ideas are great reminders and tips for me.
As someone who has been through several mergers and unmergers the last several years, I can greatly appreciate what your having to deal with. My company and departments have reorganized at least annually and have gone through workforce reductions each year the last 5 or 6 years-maybe even the past 10 years. It's been going on so long we've gotten almost too numb to it.
Like you, I've been in position to determine various coworkers' roles and had to make some very, very tough selections and choices. I've been front and center in delivering the news-good and bad time and again. It's not fun. It's not what I signed up for 30+ years ago but it seems to be corporate America today. I have learned that our folks have greatly appreciated directness, honesty and hearing all the information I could offer and in a timely manner.
I would totally agree that taking care of yourself physically and mentally is priority #1. Our company marched a number of "speakers" in front of us talking about personal success at one time or another over the past 10 years. I saw a recurring theme from each one of them around taking care of yourself physically. I don't know for sure, but that could have been one of the several triggers for getting me started in losing 50+ pounds and taking a little better care of myself.
Hey-maybe that's a new career, or even a good hobby for some of us. Getting in front of groups talking about the benefits of a healthy lifestyle and being successful.........Better yet maybe several of us need to team up and figure out how to leverage this somehow......
As someone who has been through several mergers and unmergers the last several years, I can greatly appreciate what your having to deal with. My company and departments have reorganized at least annually and have gone through workforce reductions each year the last 5 or 6 years-maybe even the past 10 years. It's been going on so long we've gotten almost too numb to it.
Like you, I've been in position to determine various coworkers' roles and had to make some very, very tough selections and choices. I've been front and center in delivering the news-good and bad time and again. It's not fun. It's not what I signed up for 30+ years ago but it seems to be corporate America today. I have learned that our folks have greatly appreciated directness, honesty and hearing all the information I could offer and in a timely manner.
I would totally agree that taking care of yourself physically and mentally is priority #1. Our company marched a number of "speakers" in front of us talking about personal success at one time or another over the past 10 years. I saw a recurring theme from each one of them around taking care of yourself physically. I don't know for sure, but that could have been one of the several triggers for getting me started in losing 50+ pounds and taking a little better care of myself.
Hey-maybe that's a new career, or even a good hobby for some of us. Getting in front of groups talking about the benefits of a healthy lifestyle and being successful.........Better yet maybe several of us need to team up and figure out how to leverage this somehow......
#17
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by jppe
Hey-maybe that's a new career, or even a good hobby for some of us. Getting in front of groups talking about the benefits of a healthy lifestyle and being successful.........Better yet maybe several of us need to team up and figure out how to leverage this somehow......
Perhaps there are people in a bind as I am and for them I have to say this:
The above mentioned pressure cooker was too much for this guy. I now get the fall out from fellow employees and long distance attempts at micro management from Germany.
The result was tingling in my fingers, pressure in my ears and a feeling of nausea.
I said: To hell with that and went biking at noon. At top speed on a trail with a 30# steel bike for 50 miles.
I came home to my wife and we had a beautiful evening. I was a little tired but a happy tired.
#18
Banned.
Join Date: Jan 2006
Location: Post-partisan Paradise
Posts: 4,938
Bikes: GF Wahoo '05, Trek T1000 '04, Lemond Buenos Aires '07
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 7 Times
in
2 Posts
Originally Posted by card
35.5 hrs work week, strong Euro, sloppy productivity, long life, healthy diet, WAY lower obeisity rate...........we go there to negotiate, they buy our t-bond, we borrow their money and can't afford to go there for vacation because the Euro is 2 to 1.
You explain.
You explain.
I do remember in the 80's and early 90's we were being told that the country would soon be owned and operated by Japan, Inc. It never really quite happened.
I do worry about the loss of manufacturing jobs to overseas. I'm not sure I'm ready to apporve of the job protectionism that is present in France, however.
But we digress.
#19
Streetfire
Join Date: Mar 2006
Location: Slightly Off Center
Posts: 723
Bikes: Trek 1200c, BMC Streetfire, Gary Fisher Wahoo
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 2 Times
in
1 Post
Will,
After 30 years in the high tech industry I as well have seen this all before. I have been outsourced/downsized/reorganized/workforce reduced so many times it's hard to count. I know what you are going through and wish you well in coming out the other end, as we always do. Right now I am faced with the ongoing idea that we move work to India and Singapore rather than add staff in the US. I hate it, it does not work well, we spend so much time and money managing the relationships and projects that the lower salaries are not really a savings, but time and time again I have to explain why we are replacing someone with a person in India rather than a US worker. About once a week the VP of Eng threatens to move my whole organization to Singapore because we cost too much, even though we are about 4 times more productive. I'm tired of it and am really looking forward to the day I don't have to deal with it anymore.
Best wishes and hang in there..
After 30 years in the high tech industry I as well have seen this all before. I have been outsourced/downsized/reorganized/workforce reduced so many times it's hard to count. I know what you are going through and wish you well in coming out the other end, as we always do. Right now I am faced with the ongoing idea that we move work to India and Singapore rather than add staff in the US. I hate it, it does not work well, we spend so much time and money managing the relationships and projects that the lower salaries are not really a savings, but time and time again I have to explain why we are replacing someone with a person in India rather than a US worker. About once a week the VP of Eng threatens to move my whole organization to Singapore because we cost too much, even though we are about 4 times more productive. I'm tired of it and am really looking forward to the day I don't have to deal with it anymore.
Best wishes and hang in there..
#20
Grumpy Old Bugga
Join Date: Oct 2006
Location: Adelaide, AUSTRALIA
Posts: 4,229
Bikes: Hillbrick, Malvern Star Oppy S2, Europa (R.I.P.)
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 370 Post(s)
Likes: 0
Liked 8 Times
in
6 Posts
Stress? It's more than stress. A good hour on the bike is equal to a tab of antidepressant. Seriously. I take me meds and I'm okay. I go for a good ride, and I'm more than okay.
Exercise is nature's answer to a lot of life's ills. A ride a day makes you a bloody happy kitty cat ... even if you are a wee bit exhausted afterwards
Richard
hmm, interesting how the swearometer edits out the normal alternative to kitty cat (which was what was intended) but leaves in a genuine swear word
Exercise is nature's answer to a lot of life's ills. A ride a day makes you a bloody happy kitty cat ... even if you are a wee bit exhausted afterwards
Richard
hmm, interesting how the swearometer edits out the normal alternative to kitty cat (which was what was intended) but leaves in a genuine swear word
#21
Let's do a Century
Join Date: Oct 2004
Location: North Carolina
Posts: 8,316
Bikes: Cervelo R3 Disc, Pinarello Prince/Campy SR; Cervelo R3/Sram Red; Trek 5900/Duraace, Lynskey GR260 Ultegra
Mentioned: 59 Post(s)
Tagged: 0 Thread(s)
Quoted: 651 Post(s)
Liked 879 Times
in
408 Posts
Originally Posted by will dehne
I said: To hell with that and went biking at noon. At top speed on a trail with a 30# steel bike for 50 miles.
I came home to my wife and we had a beautiful evening. I was a little tired but a happy tired.
I came home to my wife and we had a beautiful evening. I was a little tired but a happy tired.
Outstanding!!!!!!!!!
#22
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by The Weak Link
You got me there.
I do remember in the 80's and early 90's we were being told that the country would soon be owned and operated by Japan, Inc. It never really quite happened.
I do worry about the loss of manufacturing jobs to overseas. I'm not sure I'm ready to apporve of the job protectionism that is present in France, however.
But we digress.
I do remember in the 80's and early 90's we were being told that the country would soon be owned and operated by Japan, Inc. It never really quite happened.
I do worry about the loss of manufacturing jobs to overseas. I'm not sure I'm ready to apporve of the job protectionism that is present in France, however.
But we digress.
There are many less achieving people who fall by the wayside and go into a shadow economy. Other countries deal with that through taxation and redistribution. That creates its own problems. Let us hope that the American economic experiment continues to work. It is not a sure thing. Those of us with children and grandchildren need to be vigilant.
#23
Senior Member
Thread Starter
Join Date: Jun 2005
Location: rockford, il
Posts: 2,646
Bikes: Trek 7700, C'dale R2000
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by HopedaleHills
Will,
After 30 years in the high tech industry I as well have seen this all before. I have been outsourced/downsized/reorganized/workforce reduced so many times it's hard to count. I know what you are going through and wish you well in coming out the other end, as we always do. Right now I am faced with the ongoing idea that we move work to India and Singapore rather than add staff in the US. I hate it, it does not work well, we spend so much time and money managing the relationships and projects that the lower salaries are not really a savings, but time and time again I have to explain why we are replacing someone with a person in India rather than a US worker. About once a week the VP of Eng threatens to move my whole organization to Singapore because we cost too much, even though we are about 4 times more productive. I'm tired of it and am really looking forward to the day I don't have to deal with it anymore.
Best wishes and hang in there..
After 30 years in the high tech industry I as well have seen this all before. I have been outsourced/downsized/reorganized/workforce reduced so many times it's hard to count. I know what you are going through and wish you well in coming out the other end, as we always do. Right now I am faced with the ongoing idea that we move work to India and Singapore rather than add staff in the US. I hate it, it does not work well, we spend so much time and money managing the relationships and projects that the lower salaries are not really a savings, but time and time again I have to explain why we are replacing someone with a person in India rather than a US worker. About once a week the VP of Eng threatens to move my whole organization to Singapore because we cost too much, even though we are about 4 times more productive. I'm tired of it and am really looking forward to the day I don't have to deal with it anymore.
Best wishes and hang in there..
Here is food for thought. We managers are deep trained to do what we do. If we go against that deep training we may have unintended consequences. A manager in my company and a friend (in Germany) gave up and retired early for all the reasons mentioned. That eat away on him after retirement and he had a heart attach 6 months after he retired. I know him well, it was causation and not correlation.