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.
“If we do not lay out ourselves in the service of mankind whom should we serve?”
“Everybody hangs out with everybody, which is very strange for a cast this large and this young. We're all cool and down to earth and not caught up in this maniacal business at all... . Everybody really, really likes everybody else.”