I hope I'm always learning something.

Playing Juliet in Heavenly Creatures changed my life, and the role of Clementine in Eternal Sunshine of the Spotless Mind opened many new doors creatively.

When I think about somebody like Keira Knightley, whom I don't particularly know, I see somebody who is working hard, really trying to challenge herself and make smart choices in spite of people criticising her size and performances.

I've never worked with prosthetics before in that sort of capacity. I did a bit of prosthetic work when I had to give birth in Jude, which is quite a different set of prosthetics. But I had so much admiration for the hair and make-up department and the prosthetics team, who are actually based at Shepperton, and who put together that look for Hanna. I

As a young girl, I never felt attractive. I was fat and unhappy at times, and that kind of thinking stays with you your entire life. There's always going to be a part of me that worries about not looking as slim as other actresses. But at a certain point, when you achieve a lot of your goals and you can be proud of your work, you start to relax more about who you are. And that includes your appearance and self-image - I don't think I look too bad for a mother of two. But women shouldn't have to feel the pressure to compare themselves to actresses or models.

A lot of the girls were awful, very catty. It was a competitive environment that I didn't like. You have no idea of the anorexia I saw around me.

As a woman, especially when you have children, one gets so good at soldiering on - almost too good.