It's bad to end a relationship for an irrational reason.
Brandon notices his girlfriend Carla talking to another boy and having a good time.
Brandon wants to address this with Carla.
Brandon nonchalantly asks Carla about the boy she was talking to.
Brandon accuses Carla of not being faithful to him and breaks up with her.
Brandon finds out that the boy is Carla's cousin and is happy he didn't overreact.
Brandon later feels regret when he discovers the other boy is Carla's cousin.