I think, with age, you learn that it comes in bursts and...

I think, with age, you learn that it comes in bursts and you've got no control over it. I'm not one of those people who says, 'I've got to write a song every day.' I just store up ideas, and really I have to wait until it finds me; I know when I'm ready to write. It used to frustrate me, but it doesn't any more. It's just how it is.