We all get angry. It is natural and it can be a good thing. When it is uncontrolled or unnecessary, anger will not do us any favours on either a personal or a social level.
The same is true for the characters we create. When we write about angry characters, we should remember that there is always something behind this emotion. Anger is usually a surface emotion. It is a reaction to an underlying problem.
Read the full article at Writers Write.