Americans are cool if you show just a chink of vulnerability, they respond so much. Theyll pat you on the arm and say, Hey kid, youre all right. Brits will respond but they are much more cynical. – Bear Grylls
One killer exercise thats really great is pull-ups with your legs out level. Thats my favourite. Its such functional core strength, and thats why I can climb up trees and down vines. – Bear Grylls