The only way to deal with yourself as an actor is to follow the emotional truth of what you have to do under the imaginary circumstances. And as you develop you become confident. You come to believe in what you're doing and trust it because it's out of you.
Sanford MeisnerActing in a scene is like paddling a canoe from a pebbly beach on to the river, the writer builds the canoe, and the actor provides the river. The river is the actor's thoughts and emotions.
Sanford Meisner