Have you ever had a boss who liked to yell? Or an employee who complained constantly? Perhaps you've worked with someone whose over-the-top reactions seemed designed to attract attention.

In an ideal world, everyone would behave calmly and rationally at work, but the sad reality is that some people just never seem to grow up. So if you're forced to work with any of the juvenile types described below, here are a few tips for keeping your sanity . . .