I could leave the phone on the counter and walk away he wouldn't even know I wasn't listening... .[snip] I was to agree at all times. Have anyone else had a NO ex that talked too much?
Hi nevertheless,
Yes, of four uBPDs I've been involved with in my life (2 SOs, 1 sister, 1 friend), three of them had/have the ability to enter into monologues in which, as you said,
a) I must agree with them
b) It doesn''t really matter if I'm listening -- they don't seem to notice that it's a conversation. (They seem incapable of having a real dialog).
The one who was different, a SO, also required agreement, but she was better at 'back and forth' dialog; no monologues. But, now that I make the comparison, it wasn't better for me that way -- at least with the other three I could be alone with my own thoughts most of the time. --whereas the one that could do dialog was always in there picking at me, digging for me to agree that she was right.
So, overall, I'd be inclined to say that what you're experiencing is common. But it's not really the core of the problem (since some BPDs don't do it); the core is that their fear of abandonment is so deep, and fear of being rejected (if they're wrong, or even not perfect in somebody's eyes), that they develop special strategies to get validated. Talking and assuming that you agree with them (since you don't say anything) seems to work for some; needing to hear validation continually works for others.
But in either case IMO it's unlikely that a non is going to be able to tolerate what the pwBPD is doing for long, unless the pwBPD has accepted that they have a problem and are working on it. Otherwise... .well, I guess that's why we're on the detaching board.

PP