Yeah, though some of that’s genetics too. I’m a couple years younger than him and honestly think I look at least a couple of years younger than him. I eat fairly well, but definitely have occasional donuts and frequent pizza.

Plus even if you could get an exact number of USDA calories (which you probably could do with hyper-processed foods) there’s no guarantee that your body would extract that exact number of usable calories because that’s a function of your individual digestive system and how it responds to certain inputs.