>Ayn was partially/intuitively onto something...but back then there was not the body of scholarly research we today refer to as Evolutionary Psychology. For a relevant study, check out this book review: http://www.evoyage.com/Book%20Reviews/NewRightPapers.htm

The only reason you are interested in Evolutionary Psychology is that it gives you an excuse to give to Teri when she catches you looking at other women :-).