Eh, I've seen it happen a few times before (and I'm sorry to say, mostly with blokes)...they grow up fat, spiteful, get bullied...decide to get their life together, get fit, but retain the same mentality they had 100+ lbs ago. Hence dating butter-huffers. One can only hope they get an epiphany and realise there's a world of shitladies/lords with open arms.