Are you dealing with a master manipulator? Learn how to identify the hidden red flags of liars, psychopaths and narcissists before they cause lasting damage.Dr. Leanne ten Brinke, a renowned psychologist and director of the Truth and Trust Lab at the University of British Columbia, breaks down the science of deception and toxic behavior. Drawing from her extensive peer-reviewed research and her eye-opening book, Poisonous People, she shares practical, evidence-based strategies to help you recognize dark personality traits and protect your mental well being.In this episode, she explains:■ The Warning Signs: How to spot the early behavioral red flags of the "Dark Tetrad" (psychopathy, narcissism, Machiavellianism, and sadism) before you get hurt.■ The Manipulation Playbook: The exact psychological tactics toxic individuals use to control and deceive others, including what gaslighting actually means.■ The Lie-Detector Myth: Why relying on eye contact, fidgeting, and body language is actually a terrible way to catch a liar.■ The Two Faces of Narcissism: How to identify the different types (including why one completely crumbles at the slightest criticism), and the devastating toll of working for a psychopathic boss.■ Defense Strategies: Proven techniques to outsmart dangerous personalities, set ironclad boundaries, and dramatically improve your life.ChaptersIndependent Fact Check: https://stevenbartlett.com/wp-content/uploads/2026/09/DOAC-Leanne-ten-Brinke-Independent-Research-Further-Reading_final.pdfFollow Leanne:YouTube - https://link.thediaryofaceo.com/EkuzZ3K Instagram - https://link.thediaryofaceo.com/2MRcXEsTikTok - https://link.thediaryofaceo.com/EL537g7You can purchase Leanne’s book, ‘Poisonous People: Psychopathy, Narcissism, Manipulation, Sadism: How to Resist Them and Improve Your Life’, here: https://link.thediaryofaceo.com/3lYxLjb Learn more from the online resources, here:Assess your own levels of (light and) dark traits - https://link.thediaryofaceo.com/1OsGuG0 Get support - https://link.thediaryofaceo.com/4F2i8OjThe Diary Of A CEO:◼ Join DOAC circle here - https://doaccircle.com/◼ Buy The Diary Of A CEO book here - https://link.thediaryofaceo.com/BWjLTZK◼ Shop The Diary Of A CEO collection: https://thediary.com/collections/shop◼ Get email updates - https://bit.ly/diary-of-a-ceo-yt◼ Follow Steven - https://g2ul0.app.link/gnGqL4IsKKbSponsors:Fiverr - https://fiverr.com/diary and get 10% off your first order when you use code DIARYWispr - Get 14 days of Wispr Flow for free at https://wisprflow.ai/steven