Boys have too much sex, may cause physical fatigue, back pain and other discomforts, if you do not pay attention to personal hygiene, well may induce urinary tract infections, endangering health. Under normal circumstances, if the male normal sex life, pay attention to personal hygiene, generally will not cause adverse effects on the body. However, if the sex life is too much, it may lead to excessive physical exertion, poor concentration, back pain, dizziness, fatigue, poor sleep and other uncomfortable symptoms, affecting the normal work and life. If sexual life is too frequent, if men do not pay attention to personal hygiene, may be secondary infection, causing urinary tract infection, prostatitis, cystitis and other diseases, serious damage to health. Therefore, if the patient is not feeling well after sex, he should go to the regular hospital in a timely manner to identify the cause of the disease and take relevant treatment measures.