It's rude to hit other people.
Joy is a seven year old who likes playing with her best friend, Layla.
Joy wants to play Barbies with Layla.
Joy waits patiently for Layla to finish playing with the doll she wants.
Layla takes the Barbie that Joy wanted to play with, so Joy hits her in the face.
Joy and Layla have a nice afternoon playing Barbies and do it again the following week.
Layla begins to cry and her mom forbids her from playing with Joy ever again.