For me to train and get ready for racing, I can't just sit in the gym all the time and that's the way it is. Responsibility starts and stops with me. My main gig is grand prix driving, that's what I do and I need to keep that in the forefront of my mind.

You know, when my dad was a racing fan in Australia he would follow Jack Brabham and sometimes only hear if he won two days after a race - when the result finally appeared in his newspaper. These days I can tweet something and it's all over the world in seconds.

It's really interesting for me as a filmmaker to go back and look at the films I've made and see where I was at that point in my life and also where my ideals were and the beliefs that I had and look at the ways I've grown and evolved and apply that to the next thing.

My mother and I took over abandoned buildings to sleep in.

Cycling keeps me lean and I need to stay in shape, especially as I still like eating chocolate and ice-cream! I like to go mountain biking too. Running is also good; it's what we were designed to do as humans, so it comes naturally.

Sitting beside the pool is fine for two weeks, but after that I think it'd be quite hard to live with - so I need to keep racing.

For me to train and get ready for racing, I can't just sit in the gym all the time and that's the way it is. Responsibility starts and stops with me. My main gig is grand prix driving, that's what I do and I need to keep that in the forefront of my mind.