Style. People talk about it being stylish and beautiful, that's at the service of the story. Style for me means nothing without substance and there are moments and things about the film that are stylish but hopefully at the service of the story.

I probably do have an obsessive personality, but striving for perfection has served me well

I'm not designing clothes for someone who is doing lines of coke off the table, like I was when I was at Gucci and Saint Laurent

I think people are sick of trends changing every six months - not because we're tired of them, but just for the sake of change. There is so much junk in the world: junk TV, junk movies, all those junk magazines with the same people on the cover.

If you are a designer, sometimes it is better not to delegate, because someone pays money for something that you designed, so it should be exactly the way you want it, exactly the way you would have chosen it. People call me a control freak, and I say, "Well, my name is on the shoe." It means the heel needs to be the way I want it and not the way somebody else wants it, and the toe needs to be exactly the way I want it, and the fabric and the material have to be exactly the way I want it. It is not a democracy - it is a dictatorship.

We've become a little spoiled with menswear in particular because, of course, we've come off a period in the '70s and '80s when Armani, which is very soft, dominated menswear. And we've become obsessed with comfort. I actually don't like that.

I do everything completely naked