Improvisation is about finding the best joke or the silliest way to get something across. Improvising conflict is always fun because you can just go for it.

When you're playing a fictional character reacting to the real world, it's incredibly difficult and confusing and kind of messes with your values a bit.

I feel like I'm worried about my later years in life because I feel like I'm using up so much good karma right now. There's going to be some sort of karmic backlash somewhere down the road.

When we were not shooting [The Hangover] we were sleeping, so pretty much every waking moment we spent together. And, you know, Bradley [Cooper], Zach [Galifianakis] and I were acquaintances before the movie started but we became good friends very quickly and spent so much time together that it was just inevitable we were either going to really hate each other or really like each other. Thank god it turned out to be the latter.

February is a month of months, and there is one special day: Valentine's Day on the 14th. I know it's still a ways off, but I just can't wait. Janice, if you're watching, will you make me the happiest man in the world and get out of my apartment?

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

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