Few of us are skilled at reacting to these emotions with complete effectiveness. Frustration and anger can be aroused when we feel what is expected and what is obtained do not match up. The importance and meaning placed on that event is what causes us to be angry. Childhood memories for children who are raised in unstable households have their fair share of hate, bitterness, and constant arguing and even physical abuse of one another. Parents who do not model loving relationships do more damage to their childs future relationships than television movie stars.
Much anger is demonstrated towards each other, sometimes even into adulthood.
They ought to learn people skills to manage their anger constructively. They need to understand their own and others' feelings and resolve conflicts in a non-violent manner. If the answer to all three is yes, don't explode. Take a few slow, deep breaths before you say your peace. And if you get one or more no's as answers to these three questions, than you need to reason with yourself, distract or stop your train of thought to get over your inappropriate anger.