I am very much not talking about willpower. I am saying it is NOT about willpower. And sure, there is an energy equation here thermodynamically, but it is unhe

I am very much not talking about willpower. I am saying it is NOT about willpower. And sure, there is an energy equation here thermodynamically, but it is unhelpful. It would be something like: Calories in * X = Calories consumed * Y + Fat stored * Z Where X, Y and Z are unknown and barely controllable factors related to hunger, type of food, digestion, microbiome, hormones, genetics, metabolism, environment, society and so on.