I remember my oldest son, Steve, saying to me once, 'I don't ever remember seeing you with an apron on.' And I thought, that's right, honey, you did not. That was his concept of what a mother should be.
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.
Originally, in the early eighties, the drug hypothesis was among the first which occurred to scientists.