JaceyBee i find it interesting that, as a MH professional, you would say that the PDed person is displaying learned behaviour.
the literature i've read on the subject DEFINITELY does not point conclusively to that. there are a wide variety of theories out there, and basing your view of the PD on how you ought to be sympathetic to the PDed because they learned their behaviour due to neglect/abuse is not wise IMO. the literature is much more nuanced than that.
about your assertion that the PDed have been "dehumanised" here:
here's the thing.
perhaps you will agree with me when i say, a person with a PD is very much like a person with an uncontrolled addiction, who does not want to recover. yes, it is very sad for them that they are like that... but the family members cannot do anything about it. especially when there are N tendencies involved.
sticking around doesn't help the sufferer; leaving doesn't help the sufferer; nothing helps really.
but
leaving and disengaging does help the children and spouse and family members of the sufferer. not nice for the PD sufferer, but really, what else is there to do? should innocent children be sacrificed at the altar of the PD? should the legacy of the PD be perpetuated, just because we should "be nice" to the PD sufferer?
i think not and i think it would be unwise in the extreme to try to guilt trip the OP into staying with her H.
it doesn't matter if he "doesn't mean to" do terrify/abuse/hurt/damage his family.
the fact is, he does it, and since he has N tendencies, he's unlikely to stop doing it (or even acknowledge that what he's doing is wrong)
and as long as OP stays around, and keeps her child/ren near this man, she's placing the innocent in danger.