What do you do when this relative stranger tells you that the doubts and failures you already feel guilty about are why they don't like you and then tells you that you are the worse person they know.
What do you do?
If you are me, you may wallow in self pity for a bit, but then you realize there is no need to explain, to dispel the lies, or believe them - they are the worse person you know and life is too short.