I'm careful, controlled, bodily conservative: if someone offered me a pill I'd only ever take a half.
I think if you play a character that is fearless, then it's boring. I think that's what was so incredible about Harrison Ford, is that he always seemed like he was never going to survive it, he's always scared, and yet he always does survive it somehow.
No one can live entirely on their own, nor can any country or society exist in isolation.