A woman who deploys a male sense of humourone that's aggressive or competitiveis a turnoff to men. So says Geoffrey Miller, an evolutionary psychologist at the University of New Mexico in Albuquerque and author of The Mating Mind: How Sexual Choice Shaped the Evolution of Human Nature.
http://www.psychologytoday.com/articles/index.php?term=pto-20050808-000003&print=1
http://www.psychologytoday.com/articles/index.php?term=pto-20050808-000003&print=1