What are the poems that express the separation from lovers?

One is two widths, and each has its own fun. It is said that this is "He Li Shu" unearthed from Dunhuang Mogao Grottoes in the Tang Dynasty. When writing these eight words, I wonder if there is a trace of bitterness in his heart? No, why does my brow suddenly recall past lives? Buddha said that looking back 500 times in the past life only brought us a meeting in this life. The fate of husband and wife in this life is the fate of three lives. That's why there will be a hand-in-hand trip by the West Lake, and the thrush under the lamp will be for you. These years of gambling and tea splashing have finally been replaced by irritability, anxiety, resentment and ignorance, becoming a farewell. Things have changed, she is no longer his good marriage, and he is no longer her obsession. Since the heart is ashes and turns into ice inch by inch, it is better to bear the pain of this division. Let's talk about treasure, treasure, treasure