For several reasons, including the increased pleasure resulting from a confluence of hormonal, psychological, and physical factors, many people say that having sex after a workout is quite enjoyable. The idea that post-workout sex is the best is supported by the following:

Have you ever pondered why your libido soars after working out? From a scientific perspective, it makes sense. "Your body's feel-good hormones usually peak after you work out," says Dr. Brahmbhatt. These hormones include adrenaline and dopamine, which is commonly referred to as the "feel-good" neurotransmitter. Studies have [also] shown a natural increase in testosterone within an hour after exercising. (Research shows that doing HIIT exercise will significantly increase your testosterone surge.)