It's just one of those things like when you're not supposed to laugh, it makes it that much harder to stop laughing. And for some reason Zach [ Galifianakis] and I get in this feedback mood of giggling, and on the set of Hangover we just couldn't get through stuff.

I think that music at inappropriate times with inappropriate volumes can be the funniest thing ever.

You are literally too stupid to insult.

So long as your desire to explore is greater than your desire to not screw up, you're on the right track.

There are certain relationships in our lives that implode, and it can feel really inexplicable and terrifying. You don't know why, and sometimes relationships end for reasons that one person keeps from the other person, and it's just totally unclear, and it just goes south and it's heartbreaking.

People now genuinely respond to it and associate me with music. It's really fun.

They [Mike Tyson and Todd Phillips] actually struck up a really pretty incredible chemistry, those two, and I think they really trusted each other.