Copying Lin Bu's Fu is to express one's mind to the person you like, because Lin Bu's Fu is very long, and the words are uncommon and difficult to copy, so few people can insist on complete copying. Therefore, to express admiration for a person, it is necessary to copy Fu Lin for her, and "copy Fu Lin to get a sweetheart". Copying the forest house can let the other party see your attachment to her and prove your loyalty to your feelings.
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This stem comes from the TV series "Zhou Sheng Ru Jiu", in which the love between men and women is very enviable. One of them is that men and women express their feelings for Fu Lin.
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So if you have a girl you like in reality, but you haven't caught up with her yet, you might as well copy Fu Lin for her, and maybe you can find her beauty soon.