9 Things You Should Never Say to Your Boss

What You Really Think About Your Coworkers

Unless you're asked directly (and sometimes even then) it's smart to keep your opinions about your coworkers to yourself — even if everyone else is sharing what they think. "Stick to the facts when it comes to talking to your boss," says Klapow. "You may not personally like a co-worker, [but] your boss does not need that from you." Sharing secrets or opinions can make you seem immature or rude, and that's definitely not a good look at work.