The main benefits of sex are: 1, can relieve the stress of life. 2, can regulate endocrine, so that the ovarian function to maintain a normal state. 3.It can stimulate blood circulation and maintain the skin. 4.Promote metabolism and enhance memory. 5, can reduce the occurrence of heart disease. 6.It can reduce pain. 7.It can reduce premenstrual tension syndrome. 8.It can slow down the speed of aging. 9.It can prevent the vagina from being too dry. 10.It can reduce the incidence of vaginitis and endometritis. 11.It can reduce the symptoms of menopause. 12.It helps to sleep. 13.It can reduce the symptoms of menstrual pain. 14.Keep your body and mind happy. 15.It can regulate the mood and reduce the occurrence of depression. 16.It can relieve the occurrence of osteoporosis. 17.Reduce the incidence of breast cancer. 18.Increase the function of immune system. 19.It can increase the relationship between men and women. 20.It can increase the sense of happiness.