But recently, some people have been resorting to a different tactic: rage workouts. “But if your goal is to cool down when you’re angry, vigorous exercise is not the best choice.” When you’re angry, your body is in “fight-or-flight” mode. Intermediate Combo of The Day | Kickboxing Combo #boxing #fitness #fightcamp#kickboxing #workout Kickboxing when you’re angry might keep your nervous system in fight or flight mode. Video: Intermediate Combo of The Day | Kickboxing Combo, @FightCampKickboxing when you’re angry might keep your nervous system in fight or flight mode.