I could never do stand-up because it's that thing of having to get up on stage. And out of every 10 jokes you tell, nine of them have to get a really good response.
I know it wouldn't seem like I've had a lot of failure in my career, but there are things that I regard as failures, when I look at certain performances and go, 'That's not good enough.'
I think it's useful, as a famous person, to have as little separation between the perception of you and how you really are - because otherwise I'd be sitting here thinking I'm keeping secrets, and wondering when you're going to find out.
When I get into trouble at school I'd like to take an invisibility cloak, drape it over me and sneak out the door. Or I'd like to have a 3 headed-dog because then no one would argue with me.