Bruce Willis. Pain in my ass, no problem about that. We just didn't get along. We got along off camera, but shooting we just didn't get along.

OCD, we discovered is a lot of different things-it's not just washing your hands, it's whatever you're obsessed with. It can be just the way you hold a pen, and you always have to have it a certain way or you have to eat your food, it depends. It's something that, as a character I thought was really interesting because sometimes it's used in a film where it is OCD and sometimes it's strategic.

I became a director just for the love of movies, because of the power of cinema.

You want to take yourself seriously, and you want to make something that you hope will have resonance with the audience. You want to bring your perspective and what you consider your talent to that piece of work, and you move forward in that direction. Sometimes that's easy, and sometimes it's met with resistance because you're dealing with situations where, for everybody else, it's a piece of business.

Some men don't gel when it comes to work - you have different work ethics, different opinions, different points of views, different methods of filmmaking - and we didn't gel.

Not harder than it should be, no. We're about the business, we're about the work. It's all about the work, always. We have fun and laugh and there're days that are more intense than others, but we're there to make it better. He's always going to try and make it better, I'm always going to try and make it better. So you accept anything, you accept whatever it takes to get it up on the screen and make it worthy.

It's part of the film-making business and also part of the creative process - putting all the pieces together to make a movie, so that they all line up. Sometimes it looks like you have a lot of projects lined up, but some of them are in different stages.