Btw, I read some article long time ago about if you chose a shorter guy & not the cutest guy in room..that you’d be happier in long run because he would try harder to make you happy & would treat you like a queen.
Think it was some Cosmo trash while I was getting my nails done. I remember laughing to myself because the author of article was totally serious!
It makes sense. The less options you have in life, the more you will value those options. The ones who can walk away more easily will be more casual about the other person.
Simply put, people who try to be good spouses are going to be good spouses.
A similar theory has been applied on the flip side:
http://www.youtube.com/watch?v=Qh9ZZgDqzAg
Some women (and men) like a desperate mate always groveling to please. For me, I think something of a net equality of attributes works best.