You might gladly buy two or three helpings of your favorite food, but the fourth would  make you nauseated, and the hundredth would spoil before you could even get to it.
여러분이 좋아하는 음식  2-3인분은 기꺼이 사겠지만 4인분째는 울렁거릴 수 있죠. 100인분째는 먹기도 전에  상해버릴 겁니다.