Just as she clearly felt that she and Mu Yanshen were getting closer and closer, now, Lin Shuran clearly felt that she and he were getting farther and farther away.
From the moment she realized this, she chose to let it go. Let everything take its course.
Purpose: A relationship that has lost resonance and continues to suffer from internal friction does not need to be forcibly tied up. It is also a choice to accept the end of the relationship and redefine life.