This is the worst lie. Obese bodies tolerate weight loss far better than leaner bodies. Fatties on a diet lose less lean body mass (even at an extreme caloric deficit) than lean bodies (except the LBM that's only there to support the obesity in the first place), are only minimally affected by metabolic slowdown when dieting, and don't suffer from the affects of hormonal changes that motivate eating behaviour. Their "body fighting back" is just their obsessive compulsion toward food, and has nothing to do with their body. Right now I'm dieting to get into my bes  1962  t possible condition (from an aesthetic/bodybuilding perspective). I have to fit a large amount of protein into a tight calorie budget, lift weights at maximum intensity to preserve my muscle tissue (decreasing workout intensity during a diet is misinformation preached by people who don't know the difference between a bodybuilder on steroids vs not on steroids), grind out some low intensity cardio every day when I'm tired and unmotivated to create a satisfactory calorie deficit, time my limited carb intake to help me sleep (and still suffer some degree of insomnia), and still feel hungry and pissy all the time. THAT'S the experience of a body that doesn't have much fat to give being forced to use fat. All a fat ass has to do is eat a minimum of protein plus a multivitamin, watch TV, and cruise on a 2000 calorie a day deficit. Boo fucking hoo.