Body scan of 250 lb woman and 120 lb woman. Not that a women needs to weigh 120 lbs.but the damage obesity causes. Look at the size of the intestines and stomach; how the knee joints rub together; the enlarged heart; and the fat pockets near the brain.
"One cheat meal won't make you fat, just like one clean meal won't make you lean. You've got to practice self discipline. To have more on days than off. The key is to find your healthy moderation, enjoy your life and meet your goals.