[User23]

Metabolic ward studies have proven that the body will excrete excess protein via the kidneys. Theoretically a glycogenesis to lipogenesis pathway might conceivably exist, but under controlled conditions it observably doesn’t.

Something similar will happen with excess ethanol consumption. Your body will preferentially use ethanol for immediate energy needs, but there is no pathway to store it as fat. However any fat or carbohydrates in the diet will immediately undergo lipogenesis while the ethanol is metabolized.

The end result is that it’s physiologically impossible to gain body fat on a diet of lean protein and wine or spirits. However that’s a rather unhealthy diet otherwise so I wouldn’t recommend going all in on the piss out the protein plan.

It’s good to know though that if you’re taking an alcohol cheat day then stay away from beer and mixed drinks as well as fat and carbs all day and until the next morning. Instead eat something like lean chicken or fish with near zero calorie vegetables like lettuce or cucumbers or what have you.