Looking back, why did Zheng Aiping and Zhang Xiaolei break up?

In my mind, Zheng Aiping and Zhang Xiaolei broke up because of a doctor-patient dispute. This plot happened in episode 17, when the plot was:

When Zheng Yiping returned home, he persuaded Zhang Xiaolei not to sue Wang Leyan. Zhang Xiaolei said that he saw the patient die unexpectedly last time, but he didn't stand up to defend him. No one wants to defend himself this time. This is what goes around comes around. With these words, Zhang Xiaolei turned and left Zheng Yiping's home and told him that she was going home.

Gu Xiaomei was complained because she was indifferent to the patient. Director Yan of the hospital asked Gu Xiaomei to enlighten her to change her work style, but Gu Xiaomei still insisted on her own point of view. Director Yan taught Gu Xiaomei the skills of speaking, but Gu Xiaomei was ungrateful and turned away.

After work, Huo Siming and Mei Bao Xiao had dinner together. They talked about Zhang Xiaolei's resignation and his breakup with Zheng Yiping. May Bao Xiao understands Zheng Yiping. After all, he was used to listening to the leader since he was a child.

Extended data:

Zheng Aiping: PhD student, resident. Originally a student, he studied under Liu Huo, a teacher, Professor Wang. His educational background surpassed that of Huo Simiao and Liu Chenxi, but due to the institutional reasons, he is still only a resident and not even qualified for surgery. I have a dream of pursuing true love in my heart, and finally I grew up from a resident to an attending doctor.

"Remember" is an inspirational TV series produced by Shanghai Yinghuang Culture Development Co., Ltd., directed by Yang Yang, written by Liu Liu and starring Wu Xiubo, Christina, Zhang Jiayi, Wang Weiwei, Zifeng Zhang and Zhai Tianlin.

The play tells the story of neurosurgeons Huo Simiao and Liu Chenxi who carefully treat patients and gain beautiful love on the medical front.

When Huo Simiao, a neurosurgeon, fell out with his girlfriend because of his busy work and had a delicate relationship with Mei Xiaohu, a colleague in the department, Huang Jingjing came to the hospital because his mother was hospitalized. Huo Simiao fell in love with her at first sight, and Mei Xiaohu hid her true feelings and helped Huo Simiao make suggestions. In order to help Huo Simiao pursue Huang Jingjing, his younger brother, Zheng Aiping, examined Huang Jingjing's mother and didn't want to find out the tumor in her brain.

Huo Simiao insisted on having an operation, but his brother Liu Chenxi misunderstood Huo Simiao's action out of selfishness. On the other hand, Liu Chenxi's daughter has been on dialysis for a long time because of renal failure, but he stuck to his professional ethics and missed the kidney source several times.

Liu Chenxi's daughter finally came to the source of kidney, and Huang Jingjing's mother's medical skill made Liu Chenxi realize her misunderstanding of Huo Simiao and sincerely apologize. The medical skills and medical ethics of these doctors and nurses have all grown up in hospitals, perfecting the "benevolence" of the medical industry.

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