> You can say the right words to make a date happy. If the partner doesn't like you, you can say all the right, do all the right things, etc and still be passe

> You can say the right words to make a date happy. If the partner doesn't like you, you can say all the right, do all the right things, etc and still be passed-over. Then another partner comes in and does all the wrong things. Still he gets not passed-over. There's chemistry involved in relationships as well. From smell to much more subtle things. It's a function with infinite variables. We can create models that help us understand society, economy, etc. But these are social sciences, the outcome is affected by the observer ;-)