Joke Generation Now we can understand why I need

Joke Generation Now we can understand the reason I need to be sarcastic. According to the query of relevant information, we understand that the joke is used to laugh at oneself or others. The joke comes from a scholar who was about seventy years old and suddenly gave birth to a son. He was born because of his age, which was called age. A few days later, he gave birth to a son, who seemed to be able to study and name knowledge. The next year, he gave birth to another son. He said with a smile, "It's really a joke to have a son at such an old age." He was ordered to go into the mountain to collect firewood. When he returned home, the husband asked him which of the three sons had more firewood. The wife said that she was old, had no knowledge at all, and had a load of jokes.