Rachel and Shawn's love story sounds like something out of a fairy tale. They say it was love at first sight when they met almost eight years ago, and they have lived together as a happy couple ever since. But there is one crucial difference that sets Rachel and Shawn apart. They are part of a phenomenon known as genetic sexual attraction, or GSA.
Psychotherapist Joe Soll says that, "genetic attraction is an attraction between two people who've been separated ... seeing someone they've...Full Story