"Getting busy" contributes to greater happiness, a stronger immune system, good circulation and caloric burn and can even help you live up to eight years longer, according to one study. Some researchers say sex also boosts the production of human growth hormone, which improves muscle tone and makes you look younger and more fit. Chemicals released during sex reduce stress and improve energy, well-being and mood.
Youth Boosters: The average American couple has sex twice a week, but it’s most important that both partners are reasonably satisfied with the frequency. Scheduling sex can help trigger your desire, as can fantasizing for 10 minutes a day on your own or trying something new like sexy lingerie or a new position to keep things interesting. To “wake up” your pelvic area and stave off a low libido, try three sets of 10 Kegel exercises every day for four weeks.