There's no need there to sit with the filmmaker for 11 years to develop the script, or go round the world raising money.

I would say that I think the film [I am love] is absolutely about nature, it recommends human nature. You don't need to recommend change, that's inevitable, it's the only reliable thing we have.

I think that a real film fan experience is about a kind of omnivorous experience.

We also knew [ me and Ewan McGregor] that, on a practical level, if there was going to be that much sex in the film [Young Adam] - which there clearly had to be because sex is the meat and potatoes of the thing - it had to be varied for the audience, because it's important to keep the audience living in it.

The work is different in the sense that I haven't had to travel round the world raising money, or work from the genesis of the project. But the collaboration feels clear always, it's sort of my drug, I'm in it for the conversation. The conversation's the most important part of it.

I think that film festivals, we're very often given to understand, are about filmmakers and about films and about the industry of filmmaking. I don't believe that they are, I believe that film festivals are about film audiences, and about giving an audience the encouragement to feel really empowered and to stretch the elastic of their taste.

I've been really happy to be in that conversation with Scott [Derrickson] for a few months now. We started chewing this cud a while ago. He is, as you probably know, an extremely erudite thinker in terms of religious philosophy and just thinking about a modern take on something really, really ancient, about how to imagine living beyond any physical bounds, which we're on the verge of now.