Clicky Clicky

Yes, yes. Most of you are probably aware of this story already. However, I found it mildly amusing and figured I would post it up for people who haven't yet seen it.

The topic is this. What sort of stupid things have you done in games(video, sports, or whatever) that you would not have done had you had full understanding(and when looked in retrospect it makes you feel like an idiot!).