My coworker is an annoying Miss Manners Wannabe who says, “You’re welcome!” with a chastising affect, meaning she expected a "thank-you."

Dealing with a know-it-all (KIA) is tough because the person is always going to self-promote, and there’s no real benefit to you if you call

ou can’t change his personality; you can only change how you communicate with him.   As much as you’d like to tell him not to be a work hog