Directing is a more pragmatic experience, where you have to deal with the restrictions of time and money that force you to make certain decisions you don't have to make when you're writing.
“I do think that good actors can do any part. It doesn't mean that they are the best ones to do it.”
“I'm interested in all forms of performance, yet I think it's difficult to be as equally talented in all of them as they call for such different skills. At the moment, I still feel I'm learning and want as much experience and variety as possible.”