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After hearing the doctor's words, Zhou Xiuhua probably understood that she had contracted a "rich man's disease" and adamantly refused to follow the medical advice to stay in the hospital for observation.
The doctor did not even try to persuade her and didn't force the patient at all. As soon as he heard her say that her family was poor and had no money, and that she wanted to go home, he immediately nodded in agreement with the old lady's wishes.
It wasn't that the doctor was irresponsible or cold-hearted; rather, such incidents happen all the time, every day. The doctor is just another professional who doesn't have the power to "bemoan the human condition." He could only "leave it to destiny," acting according to whatever the patient says is best.
"Stop talking, I want to go home! I don't want to stay in the hospital. Old man, let's go, help me go back!"