The SAS Reserve tends to be made up of former paratroopers and commandos who still want a challenge, but it is open to civilians.

When I'm filming, survival requires movement. You need your energy, and you've got to eat the bad stuff, and survival food is rarely pretty, but you kind of do it. I get in that zone, and I eat the nasty stuff, but I'm not like that when I'm back home.

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.

All my life the only thing I've been good at has been climbing and throwing myself off big things.

I love making healthy lean foods delicious - that's an art!

If you risk nothing you gain nothing

I've eaten sheep's eyes, the still hot meat from a zebra killed by a lion, and maggots which give you 70 calories to the ounce.