Using profanity against family members is rude.
James' mother asked him to clean his room when he was in the middle of a video game.
James wants to keep playing his video game.
James tells his mom he'll start cleaning his room in ten minutes, betting she'll forget by then.
James screams at his mom to leave his room and calls her a c-word.
James' mom forgets what she asked him to do, and he gets to keep playing his game.
James' mom leaves him alone for that afternoon, but ends up shipping him out to military school.