You shouldn't damage other people's cars.
John made a mean joke at his co-worker Jim's expense leaving Jim feeling upset.
Jim wants to react to the joke.
Jim pulls John aside and privately expresses his negative feelings about the joke.
Jim reacts to the joke with extreme retaliation and decides to key John's car.
John apologizes for making the joke and Jim is left feeling much better.
John calls the police and Jim is arrested for vandalism after being caught by the security camera.