In reply to The Ice Doctor:
Yeah, those Welsh kids in the last show looked a bit crackers. But if they were half as obsessed with dog sledding as I am climbing they've probably pretty much made it in life (apart from the fact the bloke was obviously running away from his past, hey ho). Didn't properly watch the other episodes, caught a bit of the jungle one where they used old car tyres.
Weirdly enough, both couples both said "if you want to do it, just take the plunge" don't know if that's good advice, but definitely says something about the character it takes to succeed at off the grid lifestyles, gotta be a bit "go for it".