It's good to be well behaved.
Sam is a 5 year old who just finished eating a piece of cake his mother made for dessert.
Sam wants another piece of cake.
Sam smiles asks his mother nicely for another piece of cake.
Sam throws a tantrum, yelling, screaming and stomping his feet until his mom gives him more cake.
Sam's mother gives him a small piece of cake which he enjoys eating.
Sam is put in timeout by his mother for misbehaving and doesn't get any cake.