At what level did Yang Zixi completely break up with sub-health in Beijing Love Story?

Episode 17

When Yang Zixi came home, he found that Andy had brought a woman back. In a rage, she slapped Andy in the face and they quarreled completely. Yang Zixi left home and went to the flower shop that Andy bought for her. She broke the glass on the door with a stone. Nowhere to go, she found Lin Xia, hoping to find some comfort. The kind Lin Xia kept Yang Zixi, and Shen Bing, Yang Zixi and Lin Xia had dinner together, pouring out their anguish to each other.