Angelo Is a 7-Year-Old Boy Who Is Playing Outside During

Angelo is a 7-year-old boy who is playing outside during recess time. Another student, the class bully, makes fun of Angelo in front of other kids. Though Angelo wants to cry, he does not want the other kids to make fun of him, so he holds it in. After school when Angelo gets home, he tells his parents what happened and cries as he is doing so. Angelo just demonstrated an understanding of _____.