possible XN OW a N too?

I suspect that my XN OW is also a N. Could this be possible that he would leave his family - as I have said before ERASE his family after nearly 30 years for someone with the same personality traits? Does anyone have experience with this? Thinking of the way my XN behaves I cannot imagine this new relationship would be made in heaven. I am interested in hearing from anyone who could imagine two Ns shacking up together and what they think it would be like ! ! think I have gleaned from the information out there on NPD that people with this disorder are bad judges of character ...does anyone have experience of this. Are they gullible and easily manipulated? I have seen signs in the past that he has absolutely given his heart and soul to people for him to realize( way after most people would) they are not worth it in the end= he then D & D s....