Originally Posted by
GFish
Make sure your eating and drinking enough at work.
... drop a chainring and a couple lower gears and add 10 minutes to the commute. Getting in the right frame of mind and not beating yourself up over time or speed also seems to help.
I also eat before I leave which is not something I do when driving. Maybe it's because I'm an old fart but I like commuting because I can take my time (my excuse for being slow). It's ruined my recreational riding - just going out for a ride with no destination just seems purposeless!