You should eat all of the food on your plate.
Jenny is a self proclaimed environmentalist and is having dinner at home where she lives alone and is on a budget.
Jenny wants to be environmentally friendly.
Jenny cleans her plate to make sure she gets her fill and doesn't waste any of her grocery budget.
Jenny decides she cannot finish her dinner and rather than save it for later, she dumps the rest of her food into the compost pile.
Jenny is full for the rest of the evening and doesn't eat anymore food before bed.
Jenny feels environmentally wise, but finds herself hungry again an hour later and eats more food.