How to cope with difficult people in the workplace (or anywhere else)

Several years ago, I had a customer who would glower at me as soon as I entered his department. He would say, ‘Fix it right this time, or get it out of here,’ no matter what the problem was.

If I was even one minute later than my ETA, he would be on the phone with my boss, complaining about the horrible service he was getting.

Because he would place a service call for the slightest imperfection or hiccup of the machine, I was going there almost every day.

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