We've all cheated on a test before or told a little white lie to get ahead, right?
Well, now we may know the reason.
Researchers from Harvard and Northwestern say it's a phenomenon called "unethical amnesia", where we forgive ourselves for bad behavior so we can keep doing it.
It may also be a way to maintain a positive self-image.
I mean who doesn't want to ace that geometry test, right?
Researchers say those people who did cheat and forgot about it have little to no trouble remembering other people's bad behavior.
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