Everyone else is at fault. People who are perfectionists tend to have a greater problem with anger. They expect more from themselves and from other people. As a result, they are frequently disappointed, and often angry at themselves, circumstances, or other people. People who have low self-esteem are also easily hurt and sometimes that hurt causes them to be angry.
Some people try to hide their anger.
You know they're angry, but they don't want to talk about it. Results Of Unresolved Anger. Most of the time anger does more damage to the person who is angry, than the person who caused the anger, or the person who receives the angry outburst. The angry person quite often harbors bitterness, resentments, hatred, even murder. They may experience physical or mental illnesses.