It's easy to dismiss people as gluttonous slobs, but the reality is more complicated. Metabolic rate is a big factor: we've all known people that ate with no li

It's easy to dismiss people as gluttonous slobs, but the reality is more complicated. Metabolic rate is a big factor: we've all known people that ate with no limits and didn't work out yet were always in shape, as well as people that always watched what they're eating, tried working out and still couldn't lose the pounds. It takes a lot more willpower and self-control to stay healthy if you're in the 2nd category (Source: I'm fat and lazy).