Even with an unlimited supply of your favorite snack, eventually you will stop eating because of

Even with an unlimited supply of your favorite snack, eventually, you will stop eating because of diminishing marginal utility of the commodity.

Explanation:

The more we consume something, our capacity of consuming it even more goes on decreasing. There are multiple factors that play a role in decreasing the capacity. These factors are mainly the decreasing hunger, the limited space in our stomach, and the rising disinterest towards consuming the commodity due to repetitive consumption. All the factors togetherly diminish the marginal utility of the commodity.