Firstly - if you're one of those people who doesn't care about helmets, then thats cool. Im not gonna try and lecture you.
If you do care though - then read on (if you like).
I fell a fair distance onto my head tonight. Myself and Chris (who was riding with me) reckon it was approximately 7-8ft, with all my weight being taken by the side/back of my head. I somehow managed to pick out a single rock on the (relatively soft muddy/leafy) floor, doing a move which I've tried and pulled many times.
So, I guess the point of this thread is just a sort of a 'wake-up'... I wasn't expecting it at all, and it was a very familiar situation, but something decided it was gonna dump me on my head today. Without my helmet, an extremely serious injury would have happened.
Please wear a helmet people :)