It's bad to get into physical fights.
Joe is having a heated argument with his classmate and it is escalating.
Joe wants to consider hitting his classmate.
Joe resists getting into a physical confrontation with his classmate and just walks away.
Joe throws out a fist straight into the face of his classmate.
Joe and his classmate cools down without any further trouble.
Joe's classmate retaliates against Joe and both of them gets suspended.