Getting mad.
So what is the purpose of getting mad when you know you have done nothing in the wrong? So there is no reason at all to get mad. the only reason to get mad is when someone has done something to you that you don't like or appreciate. Then at that point and only that point you can express your madness with the person who has made you mad. Then there is the explanation of why that person made you mad and the actions that set you off.