What kind of workout should i do to have longer sex?

I' am getting tiered after 20 minutes of intensive sex. Is there any type of workout in the gym that can help? And what kind of workout should it be? The one which is used by body-builders or the one that is used by long distance runners. Those are totally different workouts. May be anyone knows definite internet resources related to that topic.What kind of workout should i do to have longer sex?Runners. What you need is lung capacity.What kind of workout should i do to have longer sex?You are in luck, because the exercises that can help you can be done anywhere. Check out the Wikipedia link below to read about Kegel exercises. I also take spartan blend, because it helps me control ejaculation.What kind of workout should i do to have longer sex?nah nothing helps!