No cheating, no betrayal, no arguments. Only one night, Su Nian said, "You don't have to carry me," and Gu Heng replied, "Don't think too much." Three days later, Su Nian moved out, and next to the key were three words: Sorry.
Three years later, they reunited at Zhou Mian's daughter's full moon party. In the corridor, Gu Heng said half an unfinished sentence: "If one day you think - it's okay -"
Su Nian replied "Okay".
The underground river is silent, but not without flow. The water surface disappears, but the current remains. One day, someone will stand at the exit, bend down, and hear it.
Concept: Love is not about filling the other person up, but making the other person live more like yourself because of your presence.