Male monkeys - are you going to run out and get a brain scanner? In my opinion, faking is positive reinforcement for the wrong behavior. Seriously now, does any monkey really want to know that he has been bamboozled?? *This news is a few days old, hope it was not already posted by another monkey. I did try searching old posts.
No faking the big-O Scientists see women's brains switch off during sex (article on the UK Register).