You shouldn't take more food then you can finish.
Matt is very hungry as he visits an all-you-can-eat buffet and is overwhelmed by all the food choices.
Matt wants to decide what foods to select for his meal.
Matt takes one plate worth of his favorite foods from the buffet.
Matt takes several large plates worth of food from the buffet before sitting down to eat.
Matt satisfies his hunger and enjoys his meal immensely.
Matt overats, feels sick and can't finish all the food, so he ends up having to throw it away.