He is 10 years old and she is 6 years old; he is in fourth grade and she is in first grade. He came home from school and saw her playing in the sand in the yard. He said to her: "Xixi, don't play with the sand all the time, it's so dirty!" She said to him: "I want you to mind your own business, you little old man, go home and do your homework!" He went back angrily and complained to her mother.
He is 14 years old and she is 10 years old; he is in the second grade of junior high school and she is in the fifth grade of elementary school. He went to the park to relax alone and saw her climbing a tree to pick fruits to eat. He said: "Xixi, what are you doing?" She said to him: "Brother Feifei, you scared me! When I saw the fruits here, I just wanted to pick a few and try them. You must not tell my mother, okay?" He agreed to her request and climbed up the tree to eat with her.
He is 18 years old and she is 14 years old; he is a junior in high school and she is a junior in junior high school. He takes her to an amusement park to relieve stress. He said to her: "Xixi, I'm very confused now. I don't know what major I will study in college in the future." She said to him: "Brother Feifei, I think you can study broadcasting and hosting. Your voice is very nice. Even your parents said that your voice can be compared with people reporting news on TV. Beautiful! Besides, you also like broadcasting and hosting, don't you? Otherwise, how could you win so many awards! Of course, no matter what major you choose, my aunt, uncle, and, yes, my parents will support you!" He accepted her suggestion and resolutely chose the broadcasting and hosting major.