Why did Huang Wanping's husband jump off a building in "Walk and Cherish"? ,

The plot is about 41 minutes in the seventh episode of "Go and Cherish". On the PP video, Huang Wanping's husband Xu Yundong was accidentally pushed downstairs by Zhao Siwen. Before Yundong saw a text message from Zhao to Huang Fa, he suspected that their relationship was abnormal. Later, one night Yundong came back and heard a quarrel between Huang and Zhao outside the door, so he angrily went in to find someone. Yundong took a kitchen knife and saw Zhao hiding on the balcony.