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Might occur alongside Undercover When Alone - when staying "undercover" becomes a compulsive thing. Compare Consummate Liar, who is very proficient at lying, but not necessarily forced to practice it and Knights and Knaves, when inability to tell the truth is a part of a logical problem rather than an element of characterization. Nonetheless, since accusing people of falsehood is extremely easy and leads to pointless arguments, No Real Life Examples, Please! is in effect.Ĭontrast Cannot Tell a Lie and Will Not Tell a Lie. Pathological lying can develop in Real Life, both as a stand-alone mental disorder and as a symptom of other disorders such as psychopathy or narcissism, or from situations where the truth becomes dangerous to tell, such as abusive households. This usually causes some trouble, since a person incapable of conveying factual information will obviously face difficulties in regards to communication.
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They may practice some bizarre religion or philosophy that requires them to always lie, they may be lying so much (because they're hiding a big secret/a lot of secrets) that they may sometimes lie without meaning/needing to, they might be physically incapable of telling the truth, or they may be so smug and self-assured that they lie for the sheer sake of lying just to mess with people. In fiction, however, you will sometimes see characters who will not only lie without a valid reason, but will not tell the truth even if they would benefit by doing so. Some people have strong moral opposition to lying, others may not care that much and some will do it whenever it suits their purposes, but nearly everyone needs some sort of reason to tell a lie. Something they do when they feel it's beneficial or necessary.