Self aware narcissists? Is it even possible?

What do you ladies (and men) make of narcissists who actually acknowledge their behavior and admit to it? But at the same time have no inkling of desire to change? My ex N and I, who I'm still in contact with because I broke no contact of 8 months :( , have known each other for 5 years. He's only 20, I'm 19. I've heard from some people and from online forums that signs of narcissism in adolescence are common, but this man covers (almost) all grounds of this disorder and it is past just a few signs. Another thing I have to mention is that I've posted my story in another forum before, but after a hard amount of work (I'm sure you guys can empathize on how tough breaking free is) I went no contact for nearly 8 months but fell back again.

He tells me that he feels no emotional connection to anybody except me. If I believe one thing out of his mouth it's this, because we've been friends and on/off lovers for so long and I know he never admits things like this to anyone, especially women. He tells me he's a shape shifter and that he's not himself with anyone. He says he sees what he's dealing with the other person and presents a person who would best exploit (and after saying this he retracked and said no no not exploit, just maximize profits) in that person. Then he paused and laughed and I knew exactly what he was thinking...I asked him "you're laughing because even right now you feel like you're pretending?" and he said "yeah." He says he manipulates people and (already knowing the answer) I asked him if he manipulates me. He paused and said yes. He admitted to being a serial cheater and not being able to help it. I told him that he could help it if he wanted to, he's just indifferent. He laughed and said yeah.. I just don't give a sh*t.

He tells me that in a relationship with another person, he feels like that person is his property. A huge problem I had during our relationship is that I always felt like he was never over ANY of his exes. I must be insecure I used to think but no.... that's exactly how he feels. He tells me that he still feels like all of exes are his properties. I told him that I hope he understands that one day they're all going to get married and how is he going to deal with it?

He paused again and said "well yeah, but you know what's good about that? that they're never going to find anyone as good as me. " I asked if he can think of anyone he knows who might be better than him ...he said "better than me?" and proceeded to laugh like an insane person for 20 seconds. During our relationship I started to see a therapist. she told me from the sounds of it, my boyfriend has narcissistic personality disorder. I confronted him about it...and he still denies being a narcissist to this day saying "he doesn't want to label himself" but he has such strong insight on who he is...is this typical narci behavior? It seems odd to me. I almost feel like he is totally proud of who he is, I told him he was Dr. Jekyll and Mr. Hyde and now he calls himself that and has put it under his "About me" on facebook :S He's PROUD of it and I almost feel like I've made him worse by telling him what I think he is.

A few years ago I asked him what he was like when he was on his own and he said "cold and calculating. I feel nothing on the inside". He tells me I make him feel human and that I'm his mirror, which is why he never wants me to leave. He calls me his therapist. He honestly hasn't called me by my own name in ages. He calls me pet names a lot, like cockroach or sloth. Weird pet names too :S At some point he used to repeatedly call me jennifer, susan or jenjen...(my name isn't remotely close to any of these and he's never had a friend or gf named susan or jennifer). He only calls me by my first name when he's angry or telling me something really serious. Oh and then there is "c*nt, sl*t, b*tch" etc.

Jeez I'm confused. Aren't narcissists supposed to deny who they are? Well I guess it really doesn't matter what they deny or admit if they still go on being who they are with no desire to change..like my ex puts it "why the hell would I want to change? I'm maximizing my efficiency by being who I am, I'm so efficient and rational, I never make decisions based on emotion!"