It is more common to have sex once every 2-4 days, but there is no normal standard due to age and health conditions. For young people who just got married, they may also have sex every day, or 3-4 times a week, which is considered normal. If the usual life pressure, mental pressure, etc. is relatively large, may also have an impact on the number of sexual life, frequency reduction is also normal, for the body physical condition is relatively poor, need to appropriately reduce the frequency of sexual life. The elderly physical condition is relatively poor, and may also be accompanied by hypertension, coronary heart disease and other underlying diseases, generally very low frequency of sexual life or no sexual life. Sex life how often a normal also does not have very clear rules, but sex life should pay more attention to not fatigue prevail.