See, Big Macs no fries in not a huge amount are not terrible nutritionally. They could be improved with less mayonnaise and more veggies, like locally available "Country Mac" or whatever it is called in whatever is not Polish.

The killers are amount, fries and soda.

Gorsky runs a low calorie diet too, only averaging some 1000 kcal. That's two Big Macs or thereabout.