13. Clinging to the past: The need to deflect blame away from ourselves and onto events and people from our past; a subset of blaming everyone else. 14. Playing favorites: Failing to see that we are treating someone unfairly. 15. Refusing to express regret: The inability to take responsibility for our actions, admit we’re wrong, or recognize how our actions affect others. 16. Not listening: The most passive-aggressive form of disrespect for colleagues. 17. Failing to express gratitude: The most basic form of bad manners. 18. Punishing the messenger: The misguided need to attack the innocent
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