When I have a client with anger-issues, I usually encourage them to express it in order to get in touch with the cause of the sense of injustice that’s underneath. Through our work, eventually their anger melts away.
We’ve all been taught that anger is bad, but it can be so satisfying to let it fly. The method for anger control in this article below describes why.
Source: A Powerful Two-Step Process to Get Rid of Unwanted Anger | Psychology Today