It is not necessarily harmful for a man to go without sex for a long period of time, but of course it can induce prostatitis, cause frigidity, and abnormal moods. 1. Prostatitis: when a man does not have sex for a long time, it may lead to the semen can not be discharged in a timely manner, and then produce prostatitis, resulting in frequent urination, urinary drip, as well as lower abdominal distension and other symptoms. 2. cause sexual frigidity: men long-term no sex life, may affect the normal libido, some people will have sexual frigidity, and even impotence, premature ejaculation and other sexual dysfunction performance. 3. Emotional anomalies: a man’s long absence of sex may also lead to neurological dysfunction, irritability, irritability and depression and other abnormal emotions, affecting the normal life. Men who have not had sex for a long time may lead to some bodily dysfunction or disease, or there may be no harm.