When you get angry, you lose your own peace of mind. That’s the worst thing possible to lose. You also waste a lot of time getting your peace of mind back. You need your peace of mind with you to do any kind of productive work or thinking.
Lose anger, don’t lose your peace of mind. But what to do when people around you do things that make you lose control. Well then do instant disaster control. Get down immediately to losing the anger and gaining peace of mind. It'll really help, if you remember that anger harms the person who is angry the most and that it makes you lose something extremely precious, your peace of mind.
Keep the peace. Lose the anger.