After working out, you could be sweating, but that shouldn't stop you from enjoying what might be the best sex of your life," he continues. Here are four reasons why getting down and dirty after working out might be a great idea. For several reasons, including the increased pleasure resulting from a confluence of hormonal, psychological, and physical factors, many people say that having sex after working sex after exercise is quite enjoyable. The idea that post-workout sex is the best is supported by the following: