> it's quite possible to eat at a deficit and gain weight > since fat has an energy content around 3500kcal/pound and muscle is, IIRC, around 750kcal/pound, th

> it's quite possible to eat at a deficit and gain weight > since fat has an energy content around 3500kcal/pound and muscle is, IIRC, around 750kcal/pound, that corresponds to more than a 2500kcal calorie deficit with no weight change Feel free to ask a friend with chemistry or physics background why this is completely wrong and goes against everything we know about matter and energy.