Some people may joke that men don't think with their heads when it comes to sex (pic)
 

http://us.news2.yimg.com/us.yimg.com.../mdf459334.jpg
Some people may joke that men don't think with their heads when it comes to sex, but a study in monkeys suggests the brain plays a significant role in the decision to mate, researchers reported January 28, 2004. Brain scans of tiny marmoset monkeys show a lot of thought goes into choosing mates, the team at the University of Wisconsin-Madison said. Marmoset monkeys look out of their cage, September 25, 2002, in St. Petersburg's Zoo. (Alexander Demianchuk/Reuters)

Dosen't that marmoset monkey look like Paulie from The Sopranos?
http://www.crimelibrary.com/graphics...opranos/6a.jpg

Yep, my brain is very active in that respect, I always think really long and hard before I fuck a marmoset moneky.