Tiger Woods, Larry Bird, Wayne Gretzky, a pitcher just before a game, I would imagine they all have nervous energy. But as you perform, the nervous energy dissipates and you start to relax and you start to do what you do best.
A rich man told me recently that a liberal is a man who tells other people what to do with their money.
Scriptwriting is the toughest part of the whole racket... the least understood and the least noticed.