That friend who just can’t stop complaining. That co-worker who always has to one-up you with her breakup stories or that traumatic encounter at the bank. That client who takes out her perpetual bad mood on you. None of these people are contributing to your sanity or self-esteem. Though it’s not always possible to cut these people out of your life, there are a few things you can do to negate their negativity. Here’s how.