Please tell five jokes.

The son told his father that he liked the beautiful woman across the hall, and his father whispered to him: That's your half-sister, and you can only be friends. The son said he liked the girl next door, and the father said, that's your other half-sister. Don't tell your mother. "My son cried and told his mother, and her mother comforted him: marry whoever you like. You are not your father's son at all. ...

He likes a girl who has been sitting in front of him in the study room. After countless struggles, he handed the girl a note: hello! I've been watching you for a long time. Can I be your friend? I went back to do the problem. After reading it, the girl packed her books and went to his seat to ask, I'm leaving. Do you want to go with me? Next, he said something that may be the most classic thing he said in his life: you go first, I still have some questions to do …