When I was in college, I just learned about the kingly pair of mice and cats. Later, I read a lot of good articles. On a whim, I wanted to write a sweet article that would make people sick, but I couldn't stick to it. Now that I am a teacher, the tenderness I felt at that time is no longer there. I happened to see a relative who remembered this article, so I thought of posting it here to see if I can find inspiration from my relatives again. After all, now that my identity is different and people have matured, the things I write cannot be as childish as they were then. Let's just watch it.