Americans are cool; if you show just a chink of vulnerability, they respond so much. They'll pat you on the arm and say, 'Hey kid, you're all right.' Brits will respond but they are much more cynical.

Well, wolves will pretty rarely hunt. You're vulnerable if you're on your own or injured. But for lone wolves, get up high, show them that you're not injured, face 'em off, be authoritarian with it, and look 'em in the eye.

As for my diet, I try to eat lean, clean and healthy - nothing too surprising. And I avoid too much meat or dairy because they slow you down.

Life's full of lots of dream-stealers always telling you you need to do something more sensible. I think it doesn't matter what your dream is, just fight the dream-stealers and hold onto it.

Nobody wants to end up super rich and famous - but divorced. I'm always clear on that and try to stay on the right side of the line.

Adventure should be 80 percent 'I think this is manageable,' but it's good to have that last 20 percent where you're right outside your comfort zone. Still safe, but outside your comfort zone.