I'm not as concerned so much about his weight, more his attitude. In that type of environment after, what, 15 years of living in a post-apocalyptic society, that he would be, I dunno...less of a dandy tenderfoot. Again, if the lights went out just yesterday, yeah, I could understand it. But he and his cohorts have been living in an extremely difficult environment, under threat of attack from rival groups and the militia for a really long time. If he acts like he does at this point in the game, I seriously doubt he would have realistically lasted more than a year.