Math: You can express yourself with a math problem, so that the other person will understand after solving the answer, for example, "Knowing that you are my happiness proves that I am your him/her (hint: reduce to absurdity)."
English: You can use an English speech or love letter to emphasize that English is not only a language in your mind, but also a bridge between you and TA.
Physics: it can be expressed by Newton's three laws, such as: "The first law tells us that my life would be chaotic without you;" The second law tells us that you make me feel extremely warm; The third law tells us that liking you is a reaction, and the size and direction are equal. "
Chemistry: You can compare yourself to a test tube and the other person to a reagent, and produce a strong chemical reaction through chemical reactions, such as: "You are my rare element, and I want to have a permanent reaction with you and become the most beautiful couple in chemistry."
History: You can list the reasons why you think the other person is a historical figure, such as: "Your strength and courage remind me of Wu Zetian; Your cleverness and wisdom remind me of Confucius. "
Biology: Biologists' papers can be used to express their love for life, such as: "In my eyes, you are as mysterious and beautiful as DNA in biology, which fascinates me."