Have you ever know a couple that just didn't seem as though they should fit together, they are both happy with each other in their relationship and you just wondering why? what's the secret of their relationship. what mysterious force drives into the arms of one person, while pushing you away from another who might equally desirable to any unbiased observer. a professor of medical psychology and pediatrics call this a "love map", a group of messages encoded this in our brains that describes our likes and dislikes. it shows our preferences in eye and hair color, smell, voice and body build. It also records the kind of personality that appeals to us, whether it's the warm and friendly type or the strong, silent type. we fall for someone who most fit in our love map. and this love map determined in childhood. according to the researcher the pattern for our ideal mate has already begun to float in our brains. all of us grow up with people of similar circumstances, with our friends with the same educational background and same goals, we tend to be most comfortable with these people and we tend to link up with others whose families are often much like our own. we look for someone who complementary needs, like if you are a talker, you are attracted to someone who ready to listen to you. when people become love struck, it happens in that instant is the couple probably discover a unique something they have in common. it could be something as mundane as they both were reading the same book or were born in the same town. at the same time they recognize some trait in the other that complements their own personality.