We've all heard the supposed fact that sex burns a lot of calories, but it turns out that, like many things that sound too good to be true, it's just a myth. Researchers found that the only study that scientifically measured this found that sex lasted six minutes on average and burned just 21 calories for a man. The study didn't measure how many calories women burned during the act...

-I guess this means I have to still keep hitting the gym.  Damn. 

Chopper