Three years can change a person. When his sword was pointed at her throat, she just smiled, could only smile. He was originally a star in the sky, but he was willing to become a grain of sand; she was originally frost on the ground, but eventually became a cloud in the sky. If two parallel lines have an intersection, they should extend infinitely, go further and further apart, and never intersect again. But, he doesn't want to. Going around and around, his relationship with her may be an elite dream; but she is a lifetime to him. The blood stained the white clothes, and there were dots of scarlet, which were dazzling pain. The corners of her pale lips raised slightly, and her once calm eyes were finally stained with a trace of a sad smile. She said: "Are you willing to believe me again?" He said nothing, but subconsciously wiped the corners of her lips with his trembling fingers. Maybe, she will never understand that he always believed in her, whether it was now or three years ago. It was another cold night, and it was that small pavilion again. He played the string again, but he didn't know if anyone would enjoy the moon with him, talk about the piano together, and recall those cold days together... Sansu: that is, Sansu Love. "Book of the Later Han Dynasty? Xiangkai Biography": "The pagoda does not stay under the mulberry tree for three nights, and it is the best to avoid longing for love." Li Xian's note: "The people who say that the pagoda stays under the mulberry tree for three nights will be removed immediately, which shows that there is no love." ◆ Metaphor refers to the attachment to people or things.