So you have the challenge of just learning the lines, period, and not only learning them, but learning them to the extent that you assimilate them, so that you're not worried about what the next word is coming out of your mouth when it comes to doing a scene. And you're also in the trenches with the writers, just in the wonderful kind of back and forth of how is it best to say something, even if it involves four or five words. I love that kind of thing.
When you're on the set, and sometimes, because it's been so complex and the writers have been really writing, sometimes up until the last minute... And you kind of sit back; you separate yourself from your brain, and you say, let me see if you can do this. And that's the kind of challenge I like.
I don't have the body or the face for romantic comedies, so I've never been offered those. The challenge is that a lot of people see you only as your last character, so you're constantly competing with whatever your last movie was.