Intense X In fact, medical researchers have officially determined through innumerable clinical research studies that of all things, stress is the number one damper good on sex for otherwise healthy men. Don't Worry - Be Happy So the best thing that a men can do to enhance their sexual performance and overall sex life is to eliminate as much stress from their life as they can. Then there next step would to seek treatment to counter the effects of the stress that they can't seem to eliminate.