Re: Dexter - Season 7 (with Spoilers)
Rita wasn't love. Rita helped him discover his humanity but she was in love with someone who never existed and by the time Dexter figured out he had any real feelings for her she was shortly dead.
"There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Maffia." - Winston Niles Rumfoord.