A short and unforgettable joke.

One day, a farmer named Jiao Da went to the hospital. He said to the doctor, "doctor, I have a pain there!" " "The doctor asked him," is it genital pain? "He said," I am both angry and painful. If I am not angry, it will hurt! The doctor asked again, "Does the testicle hurt?" "He replied," It hurts when you finish it, and it hurts when you don't do it! "Doctor, think about it. It's hard! He said, "You should have a blood test, a urine test and a stool test first! After a while, Jiao Da came to the clinic again and said, "Doctor, I have swallowed both blood and urine, but the stool is really hard to swallow! "..." Forget it, forget it! I'll give you some medicine. Take it on time when you go back! Besides, you can't have sex for a month! ！” The doctor said. Hearing this, Jiao Da shouted, "My ancestors were all surnamed Jiao for eighteen generations. Why can't I be surnamed Jiao this month? " .......................