"...might have thought that Victor Tugelbend would be fat and unhealthy. In fact, he was undoubtedly the most athletically-inclined student in the University. Having to haul around extra poundage was far too much effort, so he saw to it that he never put it on and he kept himself in trim because doing things with decent muscles was far less effort than trying to achieve things with bags of flab."
Пратчетт это придумал ещё задолго до