Note: By invitation, I’ve started a blog on the Psychology Today website, and my latest post can be read there or here, although different (and likely more numerous) comments will be  posted there. This entry resembles and updates one I posted here in March 2009, which was followed by an interesting exchange on “insatiable widows” and other cross-cultural myths.

We hear a lot about sex differences, and arguments rage over which are real. Evolutionary theorists weigh in about why this or that difference should be expected, while some anthropologists say cultures vary so much that generalizations are folly. But of all Darwinian predictions about la différence, few are as logical as the one about sex differences in sexuality. Here’s why. Read more