“Sooner or later, they all leave,” Mr. Yao answered with a sigh, as if he had read my thoughts. Maybe if he was nicer to them, they wouldn’t leave, I thought. As I gazed at Mr. Yao, his face hardened by all the years and managers who had come and gone, I wondered what young Mr. Yao was like when he first started out. Was he less of a jerk, or the same? I wished I could ask him.