Stephen dumner: I was incredibly, incredibly painfully shy as a kid. The goal is to communicate to some one else something that's in your head. So i don't think it really has to do with being a writer. When most people get up to speak, they do get nervous. And so one thing that's really good to do, that helps address a number of these ssues, is to breathe better and breathe deeply.
Also: why is public speaking so terrifying?