Celebrity is absolutely preposterous. Entertainment seems to be inflating. It used to be the punctuation to your life, a film or a novel or a play, a way of celebrating a good week or month. Now it feels as if it's all punctuation.

As a real person, he wouldn't last a minute, would he? But drama is about imperfection. And we've moved away from the aspirational hero. We got tired of it, it was dull. If I was House's friend, I would hate it. How he so resolutely refuses to be happy or take the kind-hearted road. But we don't always like morally good people, do we?

Humility was a cult in my family. I only got it out of my father by accident when he was very old that he had won an Olympic gold medal.

Boxing is fascinating. It's good for the soul to be made to feel clumsy. I swank around during the week thinking I'm a big cheese, but you don't feel like that when you're in the ring with a chap who knows what he's doing. It's ritual humiliation. I'm going to be slugged about and probably killed, but I love it and have to do something to keep fit.

I'm finding it increasingly difficult to simply walk down the street. In New York, I dashed in to buy a big pair of sunglasses to conceal myself, but the guy behind the counter shouted 'Hey! It's Dr. House.'

I think classical music tuition is, well, was when I was a child, was an abomination. I think in some ways it is one of life's great tragedies for everybody who gives up an instrument.

I get anxious about a lot of things, that's the trouble. I get anxious about everything. I just can't stop thinking about things all the time. And here's the really destructive part - it's always retrospective. I waste time thinking of what I should have said or done.