I was just fooling around with the piano and Todd [Phillips] was like, 'Hey there's a great spot in the movie [The Hangover] where we need a little bit of a breath in the narrative. You should write a song and stick it in there.' And I was like, 'Well, what should the song be about?' And he said, 'The tiger.' 'Oh, okay.' So I went off and I wrote this song. I came back and Todd and I tinkered with it a little more and then we shot it right then. It all happened in a day.

This may come as a surprise, given the nature of my job, but I am very guarded and contemplative. I'm not a naturally boisterous person.

There are currently more political parties in Iraq than unbombed buildings to hold them.

April is tax month. If you are having trouble filing your taxes, then you should hire an accountant. They'll give you the same advice that they've given hundreds of corporations - taxes are for douche bags.

Alcohol causes conflicts, firearms resolve conflicts.

I'm kind of embarrassed by how quickly I adjusted to L.A. I really love it. It's so pleasant.

This word gets overused in describing actors but I think it applies to Mike [Tyson] in this case - he was totally fearless. He jumped in and played with us comedically and improvised a lot. A lot of jokes in those scenes with him are from him improvising.