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What Tennis Taught Me About Teamwork
Tennis gives you quick feedback, but interpreting it still takes work. A missed shot doesn't tell you on its own whether the choice or the execution was wrong.
Having someone watch helps. They may notice a habit you can't see while playing. I value that at work too: a colleague walking through a problem with me can spot the assumption I've stopped questioning. It doesn't have to be a formal mentoring arrangement. Sometimes ten minutes is enough.