Fifty percent. "Half of middle-aged couples in China may be in a sexless marriage." Professor, vice president of the National Red Cross Society, visited Tong's studio in Boda Hospital. Although the topic of sex is gradually opening up, many adults still lack basic sex education and pay insufficient attention to the harm of asexual marriage to both husband and wife. Ma Xiaonian believes that according to the international point of view, a couple who live less than once a month is a asexual marriage. But in our country, many middle-aged couples over 40 have a good life once a year. Sampling survey shows that 60% of divorces are related to sex, and too many people ignore the importance of sex in marriage.