For the record, I'm fairly certain that the whole being in love increasing your sex drive is pretty common across the board of blood types. Hey, guess what! If I'm not attracted to someone, I don't want to have sex with them either. If I am attracted to them, I am a shameless horndog. There are whole industries built around the sex-love connection. There are a million songs written about it. I'm pretty sure it's not about the missing antigen in your blood...