Note also that she lost 80 lbs in 1.5 years with what might be thought of as a very small metabolic engine (she's only 5'7", and like it or lump it that's going to mean you burn fewer calories at rest than a 6'0" person, for example). Contrast that to these 6+ foot fats who get lap bands or are baby sat in the hospital for months and lose like 30 pounds.