As much as we'd like to believe that our work is great and that we're infallible, we're not. Hollywood movies are made for the audience. These are not small European art films we're making.
I never work just to work. It's some combination of laziness and self-respect.
I always claim that the writer has done 90 percent of the director's work.
You just make sure you don't screw it up. It's going to work as long as you don't mess it up. Hopefully you have plenty of those moments in a big comedy.