A positive attitude is not going to save you. What it's going to do is, everyday, between now and the day you die, whether that's a short time from now or a long time from now, that every day, you're going to actually live.
“Most theater methodology is predicated on the idea of repeated actions. That's what you work toward. Having the actor repeat the same moment eight times a week. In a film, it's getting that one moment right.”