How many times sex life is appropriate for different ages, this issue is complicated, can not be mechanically specified. Generally to have sex the next day does not appear obvious fatigue, mental depression, back pain and weakness, does not affect the work and study for the principle, mainly according to individual age, physical fitness, personality and other factors to decide. Generally speaking, young people before 30 years old 2-4 times a week, 30-40 years old 1-2 times a week, 40-50 years old 1 time a week, 50-60 years old, every 3-4 weeks 1-2 times, over 60 years old 1-2 times every 4 weeks. People should be careful not to simply pursue the number of intercourse, but also strive to make each intercourse to achieve a perfect degree, a perfect intercourse than two imperfect intercourse is more satisfying.