Woohoo! My first post on Websleuths...and I'm jumpin right in for what it's worth...
I had the bad luck of marrying someone with APD when I was 22...not that I knew it at the time....but I made it through, and if there is a silver lining (besides my fantabulous child), it's that I have had about as close and intimate a look into APD as you can have without actually being APD.
Here's a frightening parallel for you....My APD ex worked for our Sherriff's department here in Ohio for a brief stint, didn't cut it, then after that, worked a string of security jobs. His live-in girlfriend of six years is...you guessed it, a nurse!!!
I have often wondered what made my ex who he is...I have no certain answers, but wondered...He was adopted at birth...what role did that play?? We don't know about any genetic correlation because his adoption was sealed. His father left the family when he was about 5 and his mother raised him after that. Being that his mom was an only child and so was he, he grew up with no brothers, sisters, aunts, uncles, etc. His mom has no friends or close long term relationships, so he grew up somewhat isolated in that regard. His mom is not APD, but she's definitely in a category all her own. She is/was extremely dominant, somewhat physically abusive, extremely narcissistic, manipulative, and a liar. I'm not saying this because I dislike her, although I won't exactly be sending her a birthday card anytime soon. It's just the way she is. Certainly, I know that much of the way he handles problems, etc. is from watching her. And whenever he got himself into trouble, she always came to the rescue, always bailed him out. After a while as an adult, he often wouldn't pay his bills, and instead would buy some expensive toy he'd been wanting, then when he got a shut off notice for his gas bill, he'd just go to her crying and she'd pay it. I tried to get her to stop enabling him but it was useless.
I don't think I know nearly enough about G or C to make an assessment as to their personalities, and that's not what I'm implying at all...I do think APD can be a nurture thing, but I also think there must be some sort of genetic predisposition...
BTW, I live in Ohio. The deeds, etc. for the properties they once owned in Ohio are on the Trumbull County Recorders website. Original title deed is under George Anthony and Cindy Plesea (maiden name). If anyone needs help finding Ohio records online, give me a shout...