As long as you are burning off the energy and gaining no weight, who cares. Eat what you want.
Its the old story - are you working on building the pharoh’s tombs and edifices and moving the two ton stone blocks by hand or are you watching them being built.
If the former, you better eat all the carbs you can get your hands on, the richer the better. If not you better be on mediterranean low glycemic diet.
The big question...no diabetes in my family, then vietnam, agent orange, thin all my life, first three months home I gained 100 pounds....whats wrong with that picture...maybe its diabetes that causes obesity and not the other way around.