What they once loved has lost their original selves. For love, for friendship, for the impossible gap, she finally left him.
When we meet many years later, the scars have scabbed over, why are they still bleeding?
Love cannot live forever, but pain helps memory. In the long river of memory, will that unforgettable love be revived again?
Cheng Yizhi held her tightly in his arms: "A love that is hard and unforgettable can last ten, twenty years or even longer, but it will never be eternal. Likewise, I cannot guarantee that I will love you forever. I can only prove to you that when I still have the ability to love someone, that person can only be you."