There's A LOT of relative language used here.  A "few" is typically at least 3, but can be more depending on the person.    A "few" bites of food is also relative.  To one person, it's literally 3 bites of food constituting no more than maybe 200 calories worth of food.  To someone else, a few bites is, sure, only 30% of a 2000 calorie meal.  So over 600 calories.    Barely have the energy to go from bathroom to bedroom to kitchen?  I don't think it's an energy problem. It's likely a STRENGTH problem with having to haul around 400+ lbs of body.