Hi mother in law,
I am sorry to hear that you are caught in such a painful situation with your exdil. I think that you have a very good understanding of what you are dealing with dil.
It was like having a 13 year old in front of me.
Knowing that she operates from a place of immaturity gives you insight, but doesn't change the frustration and pain in having to confront her behavior. Have you read any of the articles on communicating with a BPD? You might find this helpful.
https://bpdfamily.com/content/communication-skills-validation Your question of
do I keep persisting?
Can you tell us a little more about this? What is it you are questioning whether you should keep doing or not?
Peace and blessings.
