Once upon a time before I began my career in 911, I was a thriving, overly enthusiastic cashier with a popular grocery store chain based in the southeastern United States. Working at a store so renowned for its “premier customer service” and employees with “bright, pleasant faces” meant hours of having such principles drilled into my head like “the customer is always right” and “your smile is the most important part of your uniform.” I was trained to never walk by a single customer without asking if they needed assistance or offering them a hand in finding whatever item they were looking for…