How irritating it must be for people, to be bombarded with me!

I'm never going to be in something as commercially successful as 'Harry Potter' ever again. It's impossible. So that gives me incredible freedom to go off and make the slightly off-the-wall films that I want to make.

I'm a serial monogamist. I'm not one of those people that can date loads of people at the same time, it's all too complicated.

With any kind of artistic thing, it's a muscle, like any athlete, and the moment you're not doing it, you lose all confidence. That's why I'm terrible with down time.

I was very sad to leave Harry Potter but equally there will be an element of excitement about the idea that a script might come in and I don't have to go: "I'm sorry, I'm kind of busy for the next four years." The idea of that is quite exciting.

Potter for me is something that's been giving me these amazing opportunities to start a career and learn while I'm doing, which is the best way to learn.

I've been working since I was 9, and I've never known a life without a film set.