Did notice one thing, none of these guys seemed to be suffering from starvation by the end. IF THE Shtf ,all you skinny guys are in trouble. ...
That was a lesson learned from the season finale of "Naked & Afraid" too. The super fit girl who wouldn't stop working and searching passed out and couldn't be revived until they got her to the hospital. The chubby guy who layed around, minimized exertion, and ate what he could easily find made it through day 21.