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.
There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened.
I have only one rule in acting - trust the director and give him heart and soul.