It's not so much about "I cooked a lot of food, eat all of it" as it is about "you ate the French fries but haven't touched the broccoli," usually. In other wor

It's not so much about "I cooked a lot of food, eat all of it" as it is about "you ate the French fries but haven't touched the broccoli," usually. In other words, it's a cliche dragged out when a kid is being picky about something.