If men ever learned to tell the difference, in advance, between their interest in a woman's vagina and their interest in everything else about that woman, it would fundamentally change the entire nature of human society.

I don't just mean fanbois who convince themselves that they are in love with the latest Flavor of the Month, I also mean the "hot chick from accounting", who you convince yourself is a really interesting person even though your interest in her personality would drop to somewhere around zero the morning after...