Is Dexter Morgan only attacted to women that look like his mom?

This is only a theory I've come up with recently, but it seems like Dexter Morgan is attracted to women who look like his mother, Laura Moser. 

Now, I'm not saying they all look exactly like Dexter's mother, but they have a very strong resemblance. Except for Lila, she was a brunette, and he killed her. He didn't kill any of the blonde girlfriends he had. First, of course, was Rita.

We all know that Dexter loved Rita Bennett, as made famous by Julie Benz. He might not have known it, but he did, subconsciously. She provided a part of life that he had never truly experienced before, and that is what he loved her for. However, she gets killed by the Trinity Killer. Damn you, John Lithgow (although I do love your work).

Second, was Lumen Pierce, portrayed by Julia Stiles. Her character wasn't one of the more popular, as far as I'm concerned. I guess that season just slips my mind, because I don't remember liking her very much at all throughout the season she's in. And after finding out who Dexter is, he lets her go, no questions asked.

Third, was Hannah McKay, played by Yvonne Strahovski, the supposed/actual serial killer. Like most deadly women, she uses poison to kill her victims. She seems the most likely of all the girlfriends that Dexter has ever had to survive. I mean to work out as an actual life partner, but he does betray her in the end. C'est la vie. 

Now, I'm sure we all know that Dexter's mother was into some serious shit when she got killed, so it's not hard to believe that Dexter would get involved with women who were somewhat like his mother. Rita was a sucker for broken men (her ex-husband). Lumen was saved by Dexter before becoming the victim of a serial killer. And Hannah McKay is an actual serial killer. I don't know about the lot of you, but I can see some connections.

Rachel