It's fun when you start a movie, because it's kind of like you get to go Christmas shopping... you get to make your wish list and you start thinking about what each character needs.
Spike JonzeI think at the beginning of a project, you decide if you're in love with the idea and what it's about, or what you think it's about at that time at least. Then you commit to it, and once you've commit to it no matter what, no matter how many self doubts you have, you're in it. The ship's sailed, you can't turn around.
Spike Jonze