Anger is “an emotional state that varies in intensity from mild irritation to intense fury and rage
Anger can be caused by both external and internal events. You could be angry at a specific person (such as a coworker or supervisor) or event (a traffic jam, a canceled flight), or your anger could be caused by worrying or brooding about your personal problems. Memories of traumatic or enraging events can also trigger angry feelings.
People use a variety of both conscious and unconscious processes to deal with their angry feelings. The three main approaches are expressing, suppressing, and calming. Expressing your angry feelings in an assertive—not aggressive—manner is the healthiest way to express anger. To do this, you have to learn how to make clear what your needs are, and how to get them met, without hurting others. Being assertive doesn’t mean being pushy or demanding; it means being respectful of yourself and others.