Giving someone a piece of your mind or hanging up on them, regardless of the provocation, is a risky move in any job. It's an essential job skill to be able to

Giving someone a piece of your mind or hanging up on them, regardless of the provocation, is a risky move in any job. It's an essential job skill to be able to phrase and rephrase issues with sufficient neutrality, and to practice that religiously. Being calm and responsive -- the opposite of hanging up -- is difficult when you feel you are being insulted. But it's the correct strategic move, even if you're updating your resume at the same time.