That basically doesn't happen. Feeding people in a coma costs money, and if you're not awake to whine about how you want more, they're going to work out your minimum nutritional needs and not go over that if they can. You're not going to get 200lbs overweight in a couple weeks, and if you're in a coma any longer than that, your prospects of coming out of it aren't great, and coming out of it with enough brain function to hate your weight are even worse. Otherwise, there's basically no situation where you can be fed against your will. At least not in the US. You *might *get orders to require someone to eat if they're in the hospital for anorexia (maybe--I've never seen it, but it sounds possible), but it's generally classified as assault to force feed a person.