I see your point with the smoking but also sitting next to a fat guy wouldnt really effect your health, unless he fell on you, but sitting next to someone thats smoking a cigarette will. I'm a smoker I like to think of it as a choice thing, that dude choses to be fat, I chose to smoke, Bitchy Britney while annoying didn't make the choice to light a cigarette so she shouldn't have to be in smoke.