Sentences and verses that hint at breakup?

1. Once upon a time, it was difficult for the sea to change, except for Wushan, it was not a cloud. When I looked back lazily at the flowers, I was half destined to practice Taoism and half destined to be a king. ——Yuan Zhen's "Five Poems on Lisi, Part 4" 2. When we see each other, we feel like we have not seen each other, and when we are in love, it seems like we are heartless. ——Sima Guang's "Moon over the Xijiang River·Bao Ji Song Wan Jiu" 3. Passionate sentiments have hurt parting since ancient times, and they are even more worthy of being left out in the Qingqiu Festival! Where did you wake up tonight? On the bank of willows, the dawn wind wanes and the moon falls. ——Liu Yong's "Yulin Bell" 4. Holding hands and looking at each other's tearful eyes, they were speechless and choked. ——Liu Yong's "Yulin Ling" 5. The passage of time should be a time for good times and good scenery. Even if there are thousands of customs, who can tell them? ——Liu Yong's "Yulin Ling" 6. After a night of lovesickness, plum blossoms bloomed, and suddenly he came to the window and suspected that it was you. - Lu Tong's "Thinking" 7. When we see each other, it's as if we don't see each other, and if we are affectionate, we still seem to be heartless. - Sima Guang's "Moon over the Xijiang River: Treasure Bundle and Pine Bundle" 8. Love longing is as deep as the sea, and old things are as far away as the sky. - Le Wan's "Bu Shuanzi·Ta Shi" 9. How many lovesickness does one night stand have? The ends of the earth are not as long as the ends of the earth.

—Zhang Zhongsu's "Swallow Tower"