American scientists have calculated how duration and frequency of sex can satisfy a woman.

It turns out that the vast majority of women prefer short-lived, but hot sex — from 3 to 13 minutes. The majority emphasized that the two-minutes (or less) act does not satisfy them. As well as long — more than 20 minutes.

Regarding the frequency of minutes of love, ladies prefer two to three times a week. Scientists from the University of Kinsey meticulously calculated and brought average — 2.15 times in seven days. So share those 0.15 times ss you wish. It can be dosed, or you can accumulate and use the «full service».

Sexual marathons that last for a half of the night are boring for partners, according to researchers. They found that the ideal sex should last about 10 minutes.

Experts have calculated exactly how much needs to continue sexual contact, which will bring joy and satisfaction for both men and women.

Scientists, of course, didn't sit with a stopwatch in bedrooms, instead, they interviewed 50 members of the Community of sexual therapy and research, which includes experts advising couples with sexual problems.

( Read more on «How Long is the Perfect Sex?» )