It takes a few days for a man to meet a one-time demand to be healthy.

Generally speaking, the frequency of sexual life is basically inversely proportional to age, that is, the older you are, the less the frequency of sexual life is. Couples aged 20 to 30, 3 to 5 times a week; 3 1 ~ 40-year-old couple, 3 ~ 4 times a week; 4 1 ~ 50-year-old couple, 2 ~ 3 times a week; 51~ couples aged 55, once a week 1 ~ 2 times; Couples aged 56 to 60, average weekly 1 time. Every couple is a unique combination, and their situation is also very different. It usually takes 5- 15 minutes at a time, which varies from person to person. The strong will last longer, and the satisfaction of both sides is the standard.