When I work, I work. I don't think about anything else. I just wanna get the work done. And I'm a perfectionist.
I am now in that happy comfortable state that I do not hesitate to indulge in any fancy in regard to diet, but watch the consequences, and do not continue any course which adds to weight or bulk and consequent discomfort.
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.