On the macro level, the coaches I met approached new students with the curiosity of an investigative reporter. They sought out details of their personal lives, finding out about family, income, relationships, motivation. And on the micro level, they constantly monitored the student's reaction to their coaching, checking whether their message was being absorbed. This led to a telltale rhythm of speech. The coach would deliver a chunk of information, then pause, hawkeyeing the listener as if watching the needle of a Geiger counter. As Septien put it, “I'm always checking, because I need to know
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