In extreme cases, it's possible for people to reach such a size that it feels like there's no point in even trying to shake the weight off. Just the thought of doing exercise is enough to exhaust us, and being so large makes a lot of conventional exercises impossible. Adjust your diet to start dropping the weight and do whatever you can, though, and the results can be outstanding.
The pictures you see here were taken just three years apart - and this guy is half the man he used to be! He was approaching four hundred pounds at his maximum weight, but it was only when his doctor warned him that his life was in danger that he finally began to take the issue seriously. Now he's a whole new man, and he's got his life back. He may be smiling in both photos, but we bet he's a lot happier in the one on the right!