" he has been reading it and says it explains so much. she told me last night, "I always thought you were just an asshole, but now I understand why you are like you are. "
Two can play that game. Get your Mom this book for Christmas.
"How Dysfunctional Families Spur Mental Disorders: A Balanced Approach to Resolve Problems and Reconcile Relationships (Childhood in America)"
https://www.amazon.com/Dysfunctional-Families-Spur-Mental-Disorders/dp/031339265X
Let me give you the cliff notes version so you can feel better:
BPD came from your mom.