Many people find it hard to understand what it is about a mountain that draws men and women to risk their lives on her freezing, icy faces - all for a chance at that single, solitary moment on the top. It can be hard to explain. But I also relate to the quote that says, Iif you have to ask, you will never understand.

Survival requires us to leave our prejudices at home. It's about doing whatever it takes - and ultimately those with the biggest heart will win.

The hardest thing about my job isn't the snake bites or the crocodiles, it's being away from my children. I have a really religious satellite phone call every day back to the boys, wherever we are, whatever time zone, to say goodnight.

I find skydiving really hard. I broke my back while skydiving when I was in the military, and for 18 months all my nightmares were about falling.

A man's pride can be his downfall, and he needs to learn when to turn to others for support and guidance.

Juice Plus+ is great stuff that I have used through all of my expeditions. What I like about it is that the research behind it is so strong. It is 100% natural, is whole food based, and I love the fact that it provides raw, anti-oxidant fruit and veg in a capsule form. For me it fulfills a key part of my nutrition, training and recovery needs.

The rules of survival never change, whether you're in a desert or in an arena.