To the personne who hear such a behaviour now you know one thing. There is never a point to continue the conversation. For your own self respect: agree to disagree with a smile on your face and leave the room because you now know who is the wise one YOU.
There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me. Jane Austen-if only I could say this were true of me!