Maybe it was just a generation or two ago this became a common command. Most likely this began in the depression era when you didn’t know when your next meal might be coming. Another reason might simply be because of not wanting to waste perfectly good food. Of course there are Ziplock baggies and/or the option to freeze leftovers. So do you think it a good idea to teach your child to clean their plates? Do you always try to clean your plate by habit, and is this due to your upbringing? How do you think one should go about instructing their children while at the table and what is most important to you?