This poem could be a web novel or game script. To guess the specific content, one needed to combine the context and background knowledge to make a deduction. According to the style and content of the poem, it was probably a description of a protagonist sighing alone in the middle of the night about his life, regretting that he had not made a better choice and feeling sad for his life. Through this poem, one might be able to feel the loneliness and struggle in the protagonist's heart.