How to Protect Your Brain When You Fall Into Habits of Lying to Spare Others' Feelings
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2026년 7월 21일
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Lying mindlessly in social situations to avoid criticism might help you get through a momentary crisis, but it keeps your mind in a constant state of busyness. According to cognitive psychologist John Sweller's Cognitive Load Theory, human working memory has clear limitations. When telling the truth, only a single pathway is used to retrieve facts from memory, but when lying, multiple calculations must run simultaneously in the brain to avoid getting caught. As research by Roy Baumeister shows, this relentless strain on the brain's executive functions depletes emotional energy and induces chronic lethargy. This is why a dishonest attitude not only ruins relationships but also exacerbates emotional fatigue.
By utilizing the Subjective Units of Distress Scale (SUDS) used in behavioral therapy, you can visually see how much energy avoidant lies consume. A score of 0 represents a completely calm state, while 100 represents extreme anxiety.
Practicing this method for just two weeks will allow you to feel your lethargy ease as unnecessary cognitive overload decreases.
Management expert Kim Scott calls the act of hiding the truth "ruinous empathy." Concealing the truth out of fear that the other person might get hurt is not consideration; it is a selfish defense mechanism to avoid the discomfort you would otherwise face. According to a study by Businessolver, organizations where truthfulness has disappeared see employee turnover rates skyrocket by up to 1.5 times.
Using the SBI (Situation-Behavior-Impact) model developed by the Center for Creative Leadership allows you to deliver only the facts without hurting the other person.
The habit of blindly agreeing to others' favors and fixing the mess with lies is referred to in psychology as a compliance response—suppressing oneself to avoid conflict. If this state persists for long, emotional exhaustion and physical fatigue ensue due to emotional labor.
Applying the S.A.F.E refusal formula allows you to protect relationships without making excuses.
Brené Brown called the anxiety that floods in right after telling the truth "vulnerability hangover." The brain, which has protected itself with lies for a long time, perceives being honest as a threat to survival and pumps out cortisol.
To quiet this emotional backlash, a few physical routines are necessary: