R2: Sexual selection is a well known characteristic of evolutionary theory. In this scheme mates are selected for based on secondary characteristics which are usually indicators of fitness.

Jeanie: Thanks Russell. I understand how it works....(Sexual selection). I think, with humans, its a matter of personal taste, more, though. (Beauty is in the eye of the beholder). My husband likes that I'm not "dark." (I know this isn't about me though : ) Boy, Bex made some good points, though. I work with special ed a lot and these kids are precious....