My study is worse than my deskmate's. Every time I can't do a problem, my deskmate does it, and he starts laughing at me, laughing at me. Sometimes I ask him a question, and he says:

If you can't change others, change yourself. Let's analyze it: it is true that you are not as clever as him. It is also true that he speaks badly. The purpose of asking him is to find a way to make progress. Did it come true? If it is achieved, the purpose is achieved, and the rest is a "by-product", throw it away! If it didn't come true, he wouldn't answer, with irony. This is his fault. You can call him, provoke him, and even scold him. Nobody asked him to laugh, right? Look again, you can't sit at the same table with him all your life. He is just a passer-by in your life. You learn from him and make progress, even a little bit, for you, it is earned. If you knew what you were looking at ... would it help? Not worth it! Throughout your life, observe carefully and study hard. Even if he is a fool, you can learn from him. It is true that if you have a good teacher, a good friend and a good environment … you will make faster progress, but it is not time yet. Finally, I'll give you a word-I'll go if the mountain doesn't come. I wish you success!