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If I Could Help One Person โ€” Part Thirty-One

When the Body Keeps the Score

C-PTSD, Gaslighting, and the Cheating He Still Won't Admit

By Kristen ShepherdยทApril 20, 2026ยท14 min readNew

There is a night I do not talk about very often.

Not because I have forgotten it โ€” I have not forgotten a single detail. I remember the sound of the door. I remember the way my hands moved before my brain caught up with what was happening. I remember dialing 911 and hearing my own voice come out steadier than I felt, because something in me had already shifted into a mode I did not know I had.

What I did not know then โ€” what I would not understand for a long time afterward โ€” was that the night I called 911 on my partner was not just a crisis. It was a trigger. And what it triggered had a name: Complex Post-Traumatic Stress Disorder.

What Is Post-Traumatic Stress Disorder?

Most people have heard of PTSD. It is the diagnosis most commonly associated with combat veterans, survivors of violent assault, or people who have lived through natural disasters. It is what happens when the nervous system experiences something so overwhelming that it cannot fully process it. The event gets stored differently than ordinary memory โ€” not as something that happened, but as something that is still happening. The body does not know the difference between a memory and a present threat. So it responds to both the same way.

The hallmarks of PTSD are well-documented: intrusive memories and flashbacks, hypervigilance, emotional numbness, avoidance of anything that recalls the trauma, sleep disturbances, and a persistent sense of danger even when no danger is present. The brain's alarm system โ€” the amygdala โ€” gets stuck in the on position. It fires at shadows. It fires at sounds. It fires at the particular way someone's voice drops when they are about to say something that will hurt you.

I know that last one well.

Why Is It Called Complex?

Here is what most people do not know: there is a difference between PTSD and C-PTSD, and that difference matters enormously for women who have survived long-term relational abuse.

Standard PTSD typically develops in response to a single traumatic event โ€” or a series of discrete events. The car accident. The assault. The night someone broke into your home.

Complex PTSD develops in response to prolonged, repeated trauma โ€” particularly trauma that occurs within a relationship where the victim cannot easily escape. It is the diagnosis that emerges from years of emotional abuse, coercive control, chronic gaslighting, and the particular kind of psychological damage that accumulates when the person who is supposed to be safe is the person who is hurting you.

Symptoms of C-PTSD

  • โ†’All symptoms of standard PTSD (flashbacks, hypervigilance, avoidance, sleep disturbances)
  • โ†’Profound difficulty regulating emotions
  • โ†’A deeply damaged sense of self and persistent feelings of shame
  • โ†’Difficulty trusting others and a tendency to dissociate under stress
  • โ†’Distorted understanding of how relationships work โ€” shaped by someone who weaponized your love

C-PTSD is not just about the big moments. It is about the accumulation of a thousand small ones. The years of being told your perceptions were wrong. The years of being told the cheating was not cheating, or that you were imagining it, or that your reaction to it was the real problem. The years of reaching for an apology that kept arriving in the wrong shape โ€” wrapped in another accusation, another revision of history, another quiet dismantling of your reality. That is what complex trauma does. It does not arrive in one night. It is built, slowly, by someone who knows exactly where your edges are.

The Night I Called 911

I am going to tell you what happened, because I think it matters to name it plainly.

My partner broke into my home.

Not metaphorically. Not in the way people sometimes use that phrase to describe someone who pushed past emotional boundaries. He broke in. Physically. Into a space that was mine, that I had established as mine, that I had every legal and moral right to call safe.

I called 911.

And in the days and weeks that followed, I watched something happen that I have since come to recognize as one of the most common and most devastating features of abusive relationships: the incident was reframed. What he had done became, in the retelling, something I had provoked. Something I had misunderstood. Something that was, at its core, about how much he loved me โ€” as though love were a justification for the removal of my right to feel safe in my own home. That reframing is gaslighting. And it did not begin that night. It had been happening for years.

Cheating and the Particular Cruelty of Gaslighting

He cheated on me.

I want to say that plainly, without softening it, because I spent years softening it โ€” years of being told I was wrong, I was paranoid, I was too insecure, I was seeing things that were not there. Years of being made to feel that my suspicion was the problem rather than the behavior that caused it.

And here is the thing about gaslighting around infidelity that I do not think gets talked about enough: it does not just make you doubt the cheating. It makes you doubt yourself. Your instincts. Your ability to read a room, a text message, a shift in energy. It trains you to override the part of you that knows. And once that part of you has been trained into silence, it is very hard to get it back.

I knew. I knew the way you know things in your body before your mind catches up. I knew in the way a woman who has been paying close attention for years knows when something has changed. And every time I brought it forward โ€” carefully, then less carefully, then finally in the kind of desperation that comes from being dismissed too many times โ€” I was told I was wrong.

He still tells me I am wrong. To this day.

There has been no real apology. What has come in the shape of an apology has never been an apology. It has been a performance of remorse that ends, reliably, in another episode of gaslighting. A concession that immediately becomes a counter-accusation. An "I'm sorry you feel that way" that is not an apology at all โ€” it is a way of making my feelings the subject of the sentence instead of his behavior. I have learned to recognize the pattern. That does not make it hurt less. But it means I no longer mistake the performance for the real thing.

What Gaslighting Actually Does to the Brain

Gaslighting is not just manipulation. It is a sustained assault on a person's relationship with their own reality.

When someone consistently tells you that what you are perceiving is not real โ€” that the text you saw was not what you think, that the conversation you remember did not happen the way you remember it, that your emotional response is disproportionate to events that they are simultaneously denying occurred โ€” they are not just lying to you. They are training your nervous system to distrust itself.

Over time, this creates a kind of internal fragmentation. You begin to hold two contradictory realities at once: what you know to be true, and what you have been told is true. The cognitive dissonance of living inside that split is exhausting in a way that is very difficult to explain to someone who has not experienced it. It is not simply confusion. It is a chronic state of self-doubt that eventually becomes indistinguishable from who you are.

This is why C-PTSD and gaslighting are so deeply intertwined. The gaslighting does not just cause emotional pain. It restructures the way the nervous system processes information. It teaches the body to be hypervigilant โ€” to scan constantly for the next revision of reality, the next moment when the ground will shift beneath you. And because the threat is relational rather than physical, the hypervigilance does not look like fear. It looks like anxiety. It looks like overreaction. It looks, to outsiders โ€” and eventually to yourself โ€” like instability. Which is, of course, exactly what the gaslighter wants it to look like.

The Non-Apology and Why It Matters

I want to spend a moment on the apology that never comes, because I think this is something many women in this community will recognize.

A genuine apology has a specific structure. It names what was done. It takes responsibility without qualification. It does not include the word "but." It does not pivot to the other person's behavior. It does not arrive wrapped in a new accusation. It does not require the person who was harmed to manage the feelings of the person who caused the harm.

What I received โ€” what many of us receive โ€” was something that wore the costume of an apology without containing any of its substance. The words "I'm sorry" followed immediately by "but you have to understand that you..." The acknowledgment of pain followed by a detailed accounting of everything I had done to deserve it. The moment of apparent remorse that somehow, every single time, ended with me apologizing for my reaction to being hurt.

That is not an apology. That is a continuation of the abuse by other means.

And the absence of a real apology matters not just emotionally but neurologically. Genuine repair โ€” the kind that allows the nervous system to begin to settle โ€” requires acknowledgment. Without that, the nervous system stays on alert. It cannot complete the cycle of threat and resolution. It stays in the wound. This is one of the reasons C-PTSD can persist for years after the relationship has ended. The brain is still waiting for the acknowledgment that will allow it to file the experience as past rather than present. And when that acknowledgment never comes, the wound stays open.

What Healing Looks Like Without the Apology

Here is what I have had to learn, and what I want to offer to anyone reading this who is waiting for the apology that will not come:

You cannot heal through them. You have to heal around them.

The acknowledgment your nervous system is waiting for cannot come from the person who hurt you if they are unwilling or incapable of giving it. It has to come from somewhere else. From a therapist who can help you build a new relationship with your own reality. From a community of women who know what it is like to be told they were imagining things they were not imagining. From the slow, patient work of learning to trust yourself again.

Trauma-informed therapy โ€” particularly EMDR, somatic experiencing, and internal family systems work โ€” can help the nervous system complete the cycles that were interrupted by prolonged abuse. It cannot undo what happened. But it can help the body understand that the threat is no longer present, even when the mind still receives signals that it is.

Healing from C-PTSD is not linear. There will be days when a sound, a phrase, a particular quality of silence will take you back to a room you thought you had left. That is not failure. That is the nervous system doing what it was trained to do. The work is not to eliminate the response. The work is to learn to be with it without being consumed by it.

You are not crazy. You were not imagining it. The things you knew in your body were real.

And you do not need his apology to begin to heal. You never did.

A Note on C-PTSD and Sobriety

I would be remiss not to name the connection between complex trauma and substance use, because for many of us โ€” for me โ€” they are not separate stories.

Substances do not cause C-PTSD. But they are very often how people manage it. When the nervous system is in a chronic state of hyperarousal, when the internal world is a place of constant threat and self-doubt, substances offer something that nothing else seems to offer: a temporary quieting of the alarm. A few hours in which the body does not feel like a battlefield.

Understanding that my substance use was, in significant part, a response to unprocessed trauma changed the way I understood my own story. It did not excuse anything. But it explained something. And explanation โ€” the ability to look at your own behavior and understand where it came from โ€” is one of the first steps toward changing it.

If you are in recovery and you recognize the symptoms of C-PTSD in yourself, please know that treating the trauma is not separate from treating the addiction. They are the same wound, approached from different angles. A trauma-informed therapist who understands the relationship between complex trauma and substance use can help you work on both at once. You deserve that kind of care. Not because you have earned it. Because you are a person, and persons deserve to heal.

This is Part Thirty-One of an ongoing series. If you are new here, you can start at the beginning โ€” or read Part Thirty first. Either way, you are welcome.

Resources

You Are Not Alone

National Domestic Violence Hotline: 1-800-799-7233 | Call or text 24/7

SAMHSA National Helpline: 1-800-662-4357 | Free, confidential, 24/7

Crisis Text Line: Text HOME to 741741

Coming Next

If I Could Help One Person โ€” Part Thirty-Two

Kristen's story continues. Subscribe to the newsletter to be the first to know when Part Thirty-Two is published.

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