I have never planned to have babies by a certain age.

I can understand why some people might look at me and say, 'What's she got to be depressed about?' I get that a lot in Britain, where mental health issues seem to be a big taboo.

Happy songs are very difficult to write. How many truly great upbeat songs are there?

I exercise three to four times a week, doing the Tracy Anderson Method, which involves toning and strengthening our small muscle groups.

Sex sells everything, but I don't buy it.

It's good to have to put yourself in someone else's skin. It's all-consuming.

I wasn't born with a natural talent for songwriting.