I'm not the kind of person who's going to look at the top of a mountain and go, 'Oh, look at that! That's lovely. That's lovely, that top of that mountain.' I'm the kind of person who's going to go, 'Oh, my God! That's so lovely! Let's go climb up it!'

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.

You can't be a proper writer without a touch of madness, can you?

I would never accept a role that wasn't going to stretch me or challenge me in some way. I'd say Holy Smoke! probably did that more than anything I'd ever done. It took me to places I didn't actually know I could go to, and that's what I want my career to be all about.

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

Youre supposed to be the leading lady in your own life, for Gods sake!

I'm not a period babe. Not at all.