How does the body actually switch gears?
Let's say someone has a few shots of vodka and a bag of popcorn, then decides to fast for a few days as penance. How will that break down? Somehow I doubt it looks like this:
Sure we've all have heard that the body will burn alcohol first, then glucose, fat stores and finally protein from muscles and organs, but I doubt it happens in discrete chunks. If a healthy person, say, Martin Berkhan were to do this, I would imagine it would look more like this: