The lamp is like a red bean, always lovesickness, the book is like a green mountain, always stacked in disorder. What does it mean?

Books are like green mountains, always stacked in disorder, and lamps are like red beans. The most lovesickness: A person is reading under the lamp, and suddenly he feels lovesickness and becomes upset. Books are stacked like mountains, and lovesickness is like red beans.

Comed from Ji Xiaolan in the Qing Dynasty, used as a couplet in the study.

Ji Yun (June 15, the second year of Yongzheng's reign - February 14, the tenth year of Jiaqing's reign, July 26, 1724 - March 14, 1805), also known as Xiaolan. Chunfan, later known as Shiyun, also known as Guanyi Taoist, Gushi Old Man, Hejian Talent, and posthumous name Wenda. In literary works and popular comments, he is often called Ji Xiaolan. A famous scholar and political figure during the Qianlong period of the Qing Dynasty, he was a native of Cangxian County, Zhili Province (now Cuierzhuang, Cangxian County, Hebei Province, China). From the official position to the Minister of Rites, he was the co-organizer of the Bachelor's degree, and he once served as the chief compiler of "Sikuquanshu".