Let's just consider that these questionnaires, scores, ratings, and sweat and worry, ignore the most BASIC of all things about how people ACTUALLY pair up, and that is PROXIMITY It is called the "girl next door" phenomenon. Not literally, but decades and decades of research show that people tend to hook up with people they meet frequently. That's why so many people who got together met at school, at work, at church, etc. Leaving the BIGGEST factor out means the rest of the score is bullshit