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Relationships: Spotting Pathological Liars and Coping

Explore what a pathological liar is, key signs in relationships, and practical coping strategies. Learn about pseudologia fantastica, mythomania, and how to navigate trust issues with empathy and prof

Patric Pfoertner

Patric Pfoertner

M.Sc. Psychologe

12 Min. Lesezeit
Aktualisiert: 27. August 2025

Die folgenden Geschichten basieren auf realen Erfahrungen aus meiner Praxis, wurden jedoch anonymisiert und veraendert. Sie dienen als Inspiration fuer Veraenderung und ersetzen keine professionelle Beratung.

  • Understanding Pathological Liars: Discover what defines a pathological liar, also known as pseudologia fantastica or mythomania, as someone who compulsively tells elaborate, emotionless lies without regard for others, unlike harmless white lies.

  • Key Signs of Pathological Lying: Recognize red flags like constant fibbing to cover previous lies, dramatic storytelling where the liar is the hero, and a lack of remorse, making it hard to detect these compulsive behaviors.

  • Effective Coping Strategies: Learn practical ways to cope with pathological liars, including setting boundaries, seeking professional help, and protecting your emotional well-being from their manipulative habits.

Picture this: It’s a quiet evening in your cozy living room, the kind where the soft glow of the lamp casts warm shadows on the walls, and you’re sharing stories with your partner after a long day. You’ve just returned from a weekend getaway, excited to relive the moments—the laughter by the lake, the quiet walks hand in hand. But as your partner recounts the trip, something feels off. The details shift: suddenly, they were the one who bravely saved a stranger from a mishap you don’t remember, their voice steady, eyes distant, no flicker of hesitation. You feel a knot in your stomach, that familiar pressure of doubt creeping in. We’ve all been there in smaller ways, haven’t we? Those little white lies we tell to soften the edges of reality, like reassuring a friend they look great when they’re clearly not. But what happens when the lies weave a web so intricate that truth becomes a distant memory? As someone who’s spent years in the therapy room listening to couples unravel these threads, I know how disorienting it can be.

Let me share a bit from my own life to ground this. Early in my career, I was working with a client named Anna, but before that, I remember a time in my own relationship when trust felt like walking on thin ice. My then-partner would embellish stories from work—small achievements turned into grand triumphs—and at first, I laughed it off as enthusiasm. But over time, those stories piled up, each one layering over the last, until I questioned not just what was real, but who we were to each other. It wasn’t malice; it was a habit born from deeper insecurities. That experience taught me that lying in relationships isn’t always about deception—sometimes it’s a shield against vulnerability. And you, reading this, might be feeling that same unease right now, wondering if the person across from you at dinner is hiding behind a facade.

What Is a Pathological Liar? Signs and Ways to Cope

So, what is a pathological liar? In the quiet corners of psychiatric literature, terms like pseudologia fantastica and mythomania describe this phenomenon—a compulsive pattern of lying that’s not just occasional but woven into the fabric of someone’s interactions. It’s not the polite fib to spare feelings; it’s elaborate tales told without emotion, often without any clear benefit, as if lying is as natural as breathing. Imagine a river that twists and turns not to reach the sea, but simply to meander endlessly, confusing everyone along its banks. A pathological liar might spin stories where they’re the unyielding hero, covering one lie with another, leaving their partner adrift in a sea of confusion.

Many people know this struggle intimately, especially in romantic partnerships. You might find yourself asking, How do I notice when the stories start to blur reality? Unlike a compulsive liar, who lies out of habit—perhaps rooted in a childhood where truth was risky—a pathological liar often ties their deceptions to deeper personality patterns, like those seen in narcissistic or antisocial traits. They lie not just to avoid pain, but to shape the world in their image, often with little awareness of the hurt they cause. Do pathological liars know they are lying? In my experience, it’s murky; they might sense the distortion but push forward, driven by an inner need that’s hard to pinpoint.

Think back to that dinner table moment. The body language shifts subtly—a steady gaze that doesn’t waver, hands relaxed where you’d expect trembling. These are the signs that emerge when lies become second nature. And in relationships, this can erode the foundation you thought was solid, making you question your own sanity. I’ve seen it time and again: partners who start therapy feeling gaslighted, their intuition screaming while logic whispers doubt.

Unraveling the Layers: A Client’s Journey Through Pathological Liar Relationships

Let me tell you about Elena and Markus, a couple I worked with a few years back. Elena came to me with trembling hands during our first session, her voice cracking as she described the exhaustion of never knowing what was true. Markus, a charming architect in his mid-40s, had a knack for storytelling that drew people in—at parties, he’d recount adventures from his travels, always emerging as the clever savior. But Elena noticed the gaps: trips they took together morphed into solo epics, small arguments ballooned into dramatic betrayals where he was the victim. “How do I notice when it’s not just exaggeration?” she asked me, her eyes searching for anchors in the storm.

We started by mapping the patterns systemically. Instead of diving into ‘why’—which can feel accusatory—I guided them to explore how these stories affected their connection. Markus admitted, in a rare moment of vulnerability, that his tales stemmed from a fear of being seen as ordinary, a shadow from his upbringing where praise was scarce. Elena, meanwhile, grappled with her own attachment style—secure yet now frayed by constant doubt. This wasn’t about blame; it was about understanding the emotional layers. Pathological lying often masks insecurities, turning relationships into battlegrounds where trust is the first casualty.

In sessions, we unpacked the differences. Compulsive lying might come from habit, a knee-jerk response to conflict, easier to spot because the stories unravel quickly. But pathological lying? It’s more insidious, aimed at manipulation, even if unconsciously. Markus’s lies weren’t just to avoid confrontation; they built a narrative where he held the power. Elena felt the weight of it—the pressure in her chest when she’d catch a inconsistency, only for Markus to double down with confidence that made her wonder if she was overreacting.

(The image above captures that pivotal moment of realization, where words hang in the air like unspoken questions, helping us visualize the emotional tangle in pathological liar relationships.)

Recognizing the Signs: How Deception Creeps into Your Daily Life

As we delved deeper with Elena and Markus, certain signs emerged, clear as footprints in fresh snow. First, the lies piled up like layers of fog, each one obscuring the last. Markus would fib about a work promotion, then layer on details when questioned, always positioning himself as the hero. You might notice this too—stories that start small but grow dramatic, leaving you exhausted from keeping track.

Another red flag: a lack of remorse. When confronted, there’s no flicker of guilt, just a smooth pivot. How do you feel when the truth unravels, and there’s no apology, only deflection? Elena described it as a hollow echo, her hurt dismissed as over-sensitivity. Pathological liars often victimize themselves, turning every situation into a tale of woe where they’re the wronged party—be it with friends, family, or you.

Body language can betray them, or rather, not. While most of us fidget when lying, they remain steady, confident. In social settings, watch how their stories exclude you, borrowing from news or others’ lives to craft personal legends. And confrontation? It slips away like sand through fingers—they sidestep, questioning your motives instead.

Here are seven key signs to watch for, drawn from real cases like Elena’s:

  1. Elaborate Hero Narratives: They always emerge triumphant in tales, no matter the reality.

  2. Victim Mentality: Every challenge paints them as the sufferer, seeking sympathy.

  3. Confident Delivery: No unease; lies flow naturally, body relaxed.

  4. Layered Deceptions: One lie covers another, with just enough truth to confuse.

  5. Social Exclusions: Stories at gatherings don’t match your shared experiences.


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  1. Deflection in Conflict: They avoid accountability, turning questions back on you.

  2. Insecurity at the Core: Lies stem from deep self-doubt, preventing authentic vulnerability.

These aren’t checklists to judge but invitations to observe. In pathological liar relationships, the hurt accumulates—friends alienated, promises broken—yet they defend their version fiercely, often believing it themselves.

Coping through pathological liar relationships demands what feels like insurmountable strength and unconditional patience, but it’s possible with boundaries and insight. Elena and Markus’s story turned a corner when we focused on practical steps. First, I encouraged Elena to ground herself: journal the facts, not the stories, to reclaim her intuition. Anger is natural—that boiling frustration when lies hit close—but temper flares only fuel the cycle.

Be prepared for denial; it’s their armor. When Markus brushed off evidence, Elena learned not to engage the lie directly but to express her feelings: “I feel disconnected when our experiences don’t align.” Don’t let them flip the script, blaming you. Support can help, but set limits—offer empathy without enabling. And crucially, suggest professional help. Pathological lying often links to disorders like narcissism, where therapy uncovers roots in trauma or low self-worth.

In our sessions, we used cognitive-behavioral techniques transparently: Markus practiced pausing before speaking, questioning his impulses. Elena built resilience through mindfulness, noticing that stomach knot as a signal to breathe. Here’s a grounded approach with five actionable steps:

  1. Observe Without Judgment: Track patterns systemically—How does this affect our bond?—to stay centered.

  2. Confront Calmly: Use ‘I’ statements to share impact, avoiding accusations.

  3. Set Clear Boundaries: Decide what you’ll tolerate, communicating firmly yet kindly.

  4. Seek Therapy Together: Invite them to explore underlying issues; go solo if needed for your healing.

  5. Prioritize Self-Care: Reconnect with supportive networks to rebuild trust in yourself.

Change is possible if they address the core—trauma, insecurity—but it requires willingness. Elena found peace not in fixing Markus overnight, but in honoring her needs. If the lies persist, sometimes stepping away protects your heart.

FAQ: Common Questions on Pathological Liars in Relationships

To deepen our understanding, let’s address some pressing questions that arise in sessions like these.

What Is a Pathological Liar? Signs and Ways to Cope

A pathological liar engages in repetitive, elaborate deceptions without apparent motive, often termed pseudologia fantastica or mythomania. Signs include emotionless storytelling, lack of remorse, and manipulative intent. To cope, focus on boundaries and therapy—observe patterns, express feelings calmly, and seek professional support to navigate the emotional toll.

Does a Pathological Liar Require Insurmountable Strength and Unconditional Love?

Navigating pathological liar relationships does demand remarkable resilience and empathy, but not endless tolerance. It requires insurmountable strength to hold space for their growth while protecting yourself. Unconditional love means supporting change, but with conditions: mutual effort in therapy. Without it, the deception can drain your well-being.

Can You Build Healthy Connections Through Pathological Liar Relationships?

Yes, but it hinges on addressing the root causes. Through pathological liar relationships, couples can emerge stronger by fostering honesty via systemic therapy. Focus on attachment patterns—secure bonds heal when lies are unpacked, revealing vulnerabilities beneath. Professional guidance turns confusion into clarity.

Is pathological lying a mental disorder? Not standalone, but often tied to personality disorders like narcissism, where manipulation serves deeper needs. Can a pathological liar change? Absolutely, with therapy targeting traumas or insecurities—many, like Markus, learn to embrace authenticity. Can they love? Yes, deeply, but their patterns may distort expression; help uncovers true connection.

A Path Forward: Your Practical Steps to Healing

As we wrap up Elena and Markus’s story, know that hope lies in action. They now share stories with gentle check-ins, trust rebuilding like a bridge plank by plank. For you, start today: Reflect on one recent interaction—How did it make you feel? Journal it. Reach out to a therapist; couples work can illuminate paths unseen. Protect your intuition; it’s your greatest ally. In the end, relationships thrive on truth, and with empathy and tools, you can cultivate that garden anew.

Remember, you’re not alone in this. Many have walked this road and found firmer ground. If the lies feel too heavy, choosing yourself is an act of profound love.


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Patric Pfoertner

M.Sc. Psychologe mit Schwerpunkt auf positive Psychologie. Bietet psychologische Online-Beratung fur Menschen, die mehr Wohlbefinden in ihrem Leben suchen.

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