
Episode #14: Why Betrayers Betray: Narcissism, Red Flags, and How to Stay Calm While Setting Boundaries
Sanity After Betrayal by Dr. Trish LeighShow Notes
Why does someone who says they love you betray you—and then turn around and blame you for it? 💔 In this episode of Sanity After Betrayal, Dr. Trish Leigh breaks down the neuroscience of betrayal: from narcissism and red flags 🚩 to shame loops, dopamine dependency, and why your nervous system feels hijacked in the aftermath. Why Betrayers Betray: Narcissism, Red Flags, and How to Stay Calm While Setting Boundaries 👉 You’ll learn how to recognize what’s really going on in his brain, why it’s no...
More from Sanity After Betrayal by Dr. Trish Leigh
When the Person You Loved Becomes the Trigger When the person you loved becomes the one who hurts you, your whole body feels it. The safety that once lived in their arms now feels like danger, and that confusion runs deep in your nervous system. You’re not weak for missing them or for feeling torn—your brain is simply trying to make sense of two truths at once: love and fear. That’s the paradox of betrayal trauma. Healing starts when you learn to feel safe again inside your own body. Wh...
When the Person You Loved Becomes the Trigger When the person you loved becomes the one who hurts you, your whole body feels it. The safety that once lived in their arms now feels like danger, and that confusion runs deep in your nervous system. You’re not weak for missing them or for feeling torn—your brain is simply trying to make sense of two truths at once: love and fear. That’s the paradox of betrayal trauma. Healing starts when you learn to feel safe again inside your own body. Wh...
You’re not crazy for checking his phone again, rereading old texts, or connecting dots that don’t even exist. You’re chemically caught. 🧠 After betrayal, your brain’s dopamine and cortisol loops keep you trapped in obsession, searching for answers that never satisfy. It’s not weakness—it’s your nervous system begging for safety. In this episode of Sanity After Betrayal, I’ll help you understand why your brain becomes addicted to answers after betrayal and how to break free from the obsession ...
Infidelity hurts no matter what—but not all betrayal looks the same. Sometimes it’s a conscious choice. Other times, it’s a brain hijacked by sex, love, or porn addiction. Either way, your nervous system feels the impact as betrayal trauma—leaving you anxious, hypervigilant, and questioning your own reality. Infidelity vs Sex & Love Addiction: Why Betrayal Lives in Your Nervous System 👉 In this episode, I break down the difference between choice and compulsion so you can stop blaming your...
If he hid it and it hurt you, your brain registers it as betrayal—and your nervous system responds like danger is near. As a cognitive neuroscientist, I want you to know this isn’t “oversensitive”; it’s biology. Dopamine-driven screen habits can displace real intimacy, trigger survival mode, and leave you anxious, hypervigilant, and doubting yourself. You are not weak—you’re wired to protect yourself. Here’s the good news: you can rebuild trust from the inside out. Start by trusting your sign...