One of the pleasures of being an actor is quite simply taking a walk in someone else's shoes. And when I look at the roles I've played, I'm kind of amazed at all the wonderful adventures I've had and the different things I've learned.
If you check your ego at the door when it comes to comedy, you've got a pretty good shot at making a great movie that you can commit yourself to, you can jump off the proverbial cliff with, and have a great time, and the audiences respond to that.