It's not okay to be a bully.
Sam is at school, has had chronic low-self esteem this week, and it's the middle of the day.
Sam wants to feel powerful during the day.
Sam goes to the school gym and lifts weights, and feels confident.
Sam picks on a student and push him around, and feels strong.
Sam gets his exercise for the day and talks to others in the gym.
Sam gets sent to the principle and feels sorry.