Researches found that one of the fifty ways to live is Have sex at least twice a week.

One U.S. expert estimates sex at least three times a week can add two years to your life (by increasing heart rate and blood flow) - do it every day and your life expectancy could increase by eight years!

A study of men aged 45-50 in South Wales (the Caerphilly Cohort Study) found that regular sex has a protective effect — those lucky Welshmen who enjoyed frequent orgasms (twice a week) had a 50 per cent lower risk of early death than those who missed out.
One U.S. expert estimates sex at least three times a week can add two years to your life (by increasing heart rate and blood flow) — do it every day and your life expectancy could increase by eight years!
In addition to boosting circulation and reducing stress, sex releases DHEA, a building block of testosterone which helps repair and heal tissue; it’s also a natural anti-depressant, especially for women.