This is a real classic. It was on Gilbert Arenas’ blog. Apparently he’s been biking to recover from some leg/knee injury. He writes that he does not wear a helmet because, “the only people who wear bike helmets are 13-year old girls and Tony Hawk, but that’s skateboarding and he’s doing flips and stuff. I’m going straight.”
well maybe a brain injury to him wouldn’t make that much difference.
Riding his stationary bike reduces his risk and he only falls off a few times daily.