The actual problem of losing weight and maintaining it goes beyond thermodynamics and into the problems of satiety, willpower and psychology. Just going "it is

The actual problem of losing weight and maintaining it goes beyond thermodynamics and into the problems of satiety, willpower and psychology. Just going "it is trivially reducible to thermodynamics, why are we still talking about this?" is absolutely a thought-terminating cliche. And https://xkcd.com/793/ https://xkcd.com/793/