Dear Andrea2,
I have been thinking about your post and wanted to say, "Hang in there."
Self-care and maintaining strong, healthy boundaries are a must. Awareness is crucial. Being aware of the patterns and cycles of dysfunctional family members is so helpful in protecting yourself from being caught off guard.
I also want to add that--in my experience--it does get better over time and as I continue to let go of what no longer serves me (primarily anger over my abusive/neglectful childhood) and develop my own healthy circle of family and friends. However, I have also begun to notice that periodically an unexpected (extended) family member who typically has had no contact (in some cases, for decades) suddenly "seeks me out".
Every single time I have been receptive to opening a conversation with that person, the conversation quickly turns to how much my uNPD mother loves me and I should forgive and go back to the way things were. This person is a clueless flying monkey... .a pawn being used by uNPD mother.
Now I know

who stirred the pot and instigated this unexpected contact to try to suck me back in. Unfortunately, it does me no good to try to explain the situation or educate the flying monkey. My uNPD mother has sold them her sad load of BS and they have bought her whole manipulative story (poor, helpless old lady) hook, line and sinker.
Do you think something like that may be happening in your case, as well?
Sigh... .stay strong in protecting yourself and remember, healthy boundaries are always respected by healthy people.