To me, the script is a living, breathing organism. Comedy is something that is ever-changing and ever-flowing with the vibe and the mood of the movie.

I think reviewers have become particularly venomous because, in a way, the power has been sucked from them. A 15-year-old can write a review on the Internet and it means as much as Roger Ebert's review, and that just makes Roger Ebert mad, so he comes out harder and stronger.

I don't have a horror film in me just because I don't like to be scared. But I definitely have a documentary in me, and I certainly have dramas.

To me, the script is a living, breathing organism. Comedy is something that is ever-changing and ever-flowing with the vibe and the mood of the movie.

I make decisions to do movies based on the cast. I'd just been working with Zach Galifianakis on 'The Hangover', and I was thinking, I've got to find something to do with this guy immediately.

I was taught that you didn't want to be part of the group - that it was better to do your own thing.

I think comedy directors tend to feel a need to justify the bad behavior, and I just never think that. I like bad behavior, I've always liked bad behavior, I'm a fan of bad behavior, and I don't think you have to justify bad behavior.