A survival skill worth learning and is part of the Gracie Jiu Jitsu training of self defense is to not take things personally. Its a skill that takes practice and patience under stress. To not take things personal means to not accept other peoples’s destructive comments, bad attitude, bad actions, bad judgement or horrible choices that affect how you feel about yourself or your life, even if they are a personal and straightforward attack. It is possible to not accept a direct and personal attack.
When another person speaks with anger, hate, and bitterness at you, don’t allow the attack to attach itself in your mind. You do not need to verbally defend yourself because the offensive speech is only an illusion, a lie. Know one has a Right, legal justification, to harm someone because of bad speech or speech you disagree with. Since the hostile speech is for the purpose of causing harm and a lie, there is no need to defend. The atttacker’s goal is cause you to lose logical thinking and to act impulsively.
When dealing with an angry person:
Be professional, meaning don’t get emotional..
Focus on what you want or need.
Don’t respond back with an insult.
Don’t threaten violence back.
Never turn your back.
Try to remove yourself from the situation as soon as possible.
Make it a way of life, a life dedicated to solving conflict non violently. Bring the fight to the mat.
journeyjjbluebelt 
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Thank you for the advise.