He said to him sincerely: "I fucked you."
Liu Zhishu has two major sorrows in his life: first, he met Pan An by chance in high school, and second, he kept meeting Pan An by chance after that.
But as the saying goes, only three things happen. After they met three times by chance, those accidental things never happened again.
Because Liu Zhishu discovered that Pan An, the creator of the first two sorrows in his life, seemed, possibly, seemed... To spend the rest of his life with him.