Self-justification has costs and benefits. By itself, it’s not necessarily a bad thing. It lets us sleep at night. Without it, we would prolong the awful pangs of embarrassment. We would torture ourselves with regret over the road not taken or over how badly we navigated the road we did take. We would agonize in the aftermath of almost every decision: Did we do the right thing, marry the right person, buy the right house, choose the best car, enter the right career? Yet mindless self-justification, like quicksand, can draw us deeper into disaster. It blocks our ability to even see our errors,
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