Rather than waiting for Mu Lingqian to dismiss her, waiting for Li Lanxi to wake up and dismiss her, it would be better to...
Just end it this way.
Wen Xiangyang admitted that she was a coward, she was scared. Scared of Mu Lingqian uttering those ending words, scared that Li Lanxi would get hurt again because of her.
Yan Xin was at the door. The door was not closed, so she heard the whole conversation between Wen Xiangyang and Mu Lingqian. She didn't believe what Wen Xiangyang said, but it was an undeniable fact that Wen Xiangyang chose to leave Mu Lingqian.
The moment Yan Xin saw the news, she knew Wen Xiangyang would not be able to overcome her own hurdle. If it were someone else, Wen Xiangyang wouldn't have cared. But the person involved was Li Lanxi; she just couldn't let it go.
The moment Wen Xiangyang reached the door, Yan Xin stepped forward to support the faltering Wen Xiangyang.