Working in any kind of customer service, you're constantly exposed to the worst sorts of people. When you're still fresh and green into a customer service job, you approach it with a certain sense of optimism, telling yourself and anyone who asks how excited you are to help people and make a difference in their life with your incredible service. With bright eyes, you look around you, wondering why your seasoned coworkers are so haggard and embittered, approaching the day with a thousand-yard st…