From what you said, I have understood that you are very good at controlling your anger and now it is a very strong quality that you know how to control your anger and this is your ability because Anger is a very big thing, it leads to big decisions, it is not that anger is not needed by a person, it affects everyone, as you said that the director did not listen to you and that is why you are angry. So these kinds of things keep happening but the real thing is how to control anger which you find yourself and you control your anger.