NSFW!
If this has been posted before I apologize, but its the first time I've seen this. I never laugh out loud at anything but this really cracked me up!
At 64, I can't ride hard enough to puke, but much of the rest of it I can really relate to. I'm surprised that they didn't get into the shaved arms/legs thing.
Endorphins make us do crazy things.
http://www.youtube.com/watch?v=dEFQV6ZQJyA