The studio system is kind of an old boys system and it's difficult for them to trust women to be capable

There was a big drive when I was at art school to make you aware of the economy of meaning - after all, this was still during the tail end of minimalism. Being responsible for everything you put in your picture, and being able to defend it. Keeping everything clear around you so you know what is operating. To open the wound and keep it clean.

Because there is that sort of feeling that people don't know what to do with gaps in their lives. It's a scary notion, but actually, if you can stand in space just for a little while, a new door will open, or you'll be able to see in the dark after a while. You'll adjust.

I took four years off after 'In the Cut' because I wanted to see who I'd be without work. I even tried being a hermit in the wilderness in New Zealand. I stayed in a warden's hut two-and-a-half hours off the Routeburn Track through the fjords on the South Island. It was early winter, so there was no electricity or running water.

But I think it's quite clear in my work that my orientation isn't political or doesn't come out of modern politics.

And, I mean, I think poetry does need to be met to some extent, especially, I guess, 19th century poetry, and for me, it's just been so worth the effort. It's like I'm planting a garden in my head.

The Piano Lesson' is very sophisticated, easily the most adult or complex material I've attempted. It's the first film I've written that has a proper story, and it was a big struggle for me to write. It meant I had to admit the power of narrative.