Getting along with your coworkers can make your workday less dreary, help you focus better, and make you more productive.
But according to Rosalinda Oropeza Randall, an etiquette and civility expert and the author of "Don't Burp in the Boardroom," your chummy coworker relationship can become problematic when you cross the line.
Aside from the obvious - like profanity and insults - here are some words and phrases you should never utter to your coworkers:
