I see you have posted more detail here. I replied on the other post. But I will add more here based on the additional information.

The T is more than likely right. This type of cluster B diagnosis behavior takes a huge toll on anyone around them.
They are never at fault, won't apologize, have no conscience or empathy free.
You did nothing wrong, nor do you deserve to be treated like this. There is no ability or value in arguing. Focus on truths.