Hurt people hurt people. If you’re a fan of the film Hustlers, an Oprah Winfrey acolyte, or a student of self-help books, you may have heard this phrase before. It’s pretty self-explanatory: People who have unresolved psychic pain from relationships with others tend to send that negativity outward. We all do this to varying degrees. On bad days, you might get snippy with a friend or significant other, or you might be short with a person in the service industry.