‘Formula 9’ guides the frequency of relationships by age

by duyhungb5
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For people aged 20-29, the number of tens is 2 times 9, the result is 18 equivalent to having sex 8 times a week.
The “formula number 9” guides the calculation of the age-appropriate frequency of sex by American sex experts researched and published in 2012. The calculation of this rule is to multiply the number of tenths of one’s age by 9. Up to now, this formula is popular and is consulted by doctors to control the frequency of relationships under their health.

  • From 20 to 29 years old (taking the tens number is 2 x 9 = 18), equivalent to a week of sex 8 times.
  • From 30 to 39 years old (taking the tens number is 3 x 9 = 27) equivalent to 2 weeks of sex 7 times.
  • From 40 to 49 years old (taking the tens number is 4 x 9 = 36) equivalent to 3 weeks of sex 6 times.
  • From 50 to 59 years old (taking the tens number is 5 x 9 = 45) equivalent to 4 weeks of sex 5 times.
  • From 60 to 69 years old (taking the tens number is 6 x 9 = 54) equivalent to 5 weeks of intercourse 4 times.

This is a recipe for reference only. In fact, sex depends a lot on emotions, emotions, relationships, health and private space, but cannot be rigid according to this formula. However, the calculation of frequency by this formula helps couples to better refer, adjusting accordingly.
Sex is not just about emotions, but it also has certain health benefits. Moderate sex enhances immunity protects the body against bacteria and viruses.
Researchers at Wilkes University in Pennsylvania found that students who had sex once or twice a week had higher levels of antibodies than students who had sex less often.
Sex also helps burn calories, reduce stress. During orgasm, it releases the endorphins and the hormone prolactin, relaxing the body, helping to sleep, and in a good mood.

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