Prepared by the Couples TLC Editorial Team | Clinically reviewed by Jack S. Gershfeld, LMFT
There is a moment that repeats itself in couples therapy rooms all over the world, and once you have seen it a hundred times you start to recognize it in the first ten minutes of a session. One partner leans forward. Their voice gets sharper, faster, more insistent. They are asking a question that sounds like an accusation, and underneath the accusation is something closer to a plea. The other partner goes quiet. Their shoulders drop half an inch. Their eyes move to a spot on the carpet. They have not left the room, but in every way that matters they are gone.
Both of them will tell you, separately, that they are trying to protect the relationship. Both of them are telling the truth. And very often, one or both of them learned this exact set of moves a long time ago, in a house where the rules of connection were written by someone who was frightening, absent, unpredictable, or simply overwhelmed.
That is the short answer to how childhood trauma affects adult relationships. It does not usually show up as a memory. It shows up as a reflex.
What we mean by trauma, and why the definition matters
The word trauma has expanded so much in ordinary conversation that it can now mean almost anything unpleasant. That is a problem for people who are actually trying to understand themselves, because a word that means everything ends up meaning nothing.
The more useful frame, and the one most trauma clinicians work from, is this. Trauma is not the event. Trauma is what happens inside a nervous system when an experience overwhelms a person’s capacity to cope with it and there is nobody available to help them come back down afterward. That last part carries enormous weight. A child who falls out of a tree and breaks an arm, and who is then held and soothed and taken to a hospital by a calm adult, has had a terrible day. A child who is hurt and then left alone with the aftermath, or who is hurt by the very person who was supposed to provide comfort, has had something else entirely.
This distinction explains why childhood abuse and childhood neglect leave such similar fingerprints. Something happened, or something failed to happen, and there was no repair. The nervous system drew a conclusion. Under threat, you are on your own.
It also explains why the effects surface most sharply in adult love relationships rather than at work or with friends. Romantic partnership is the one adult relationship that reactivates the attachment system, the same system that organized a child’s bond with a caregiver. When the stakes are that high, old wiring comes online.
Attachment: the framework that makes the pattern legible
John Bowlby argued, against most of the psychology of his era, that the need for a reliable emotional bond is not a childish dependency to be outgrown but a survival need that runs from the cradle to the grave. Mary Ainsworth gave that argument its evidence base. Decades later, Sue Johnson took the next step and applied it systematically to adult love, which is where the framework becomes practical for anyone trying to understand their own marriage.
Johnson’s central claim, developed across roughly forty years of clinical research and set out most fully in The Practice of Emotionally Focused Couple Therapy, is that adult romantic partners function as attachment figures for each other. Your partner is your safe haven when the world goes wrong and your secure base when you want to go out and take a risk. When that bond feels reliable, people are extraordinarily resilient. When it feels uncertain, the attachment system starts throwing alarms, and those alarms take one of two broad shapes.
Some people protest. They escalate, pursue, criticize, demand, ask the same question six different ways. The protest is a distress signal aimed at getting a response, any response, from someone who has gone emotionally quiet.
Other people withdraw. They shut down, go logical, leave the room, work late, promise to talk about it later. The withdrawal is an attempt to stop making things worse and to avoid the flooding sensation that comes with a conflict they believe they cannot win.
Neither move is a character flaw. Both are attachment strategies. And when a pursuer marries a withdrawer, which happens constantly, the two strategies feed each other in a loop that Johnson called the negative cycle. The more one pursues, the more the other retreats. The more one retreats, the more urgently the other pursues. Couples usually believe the problem is the other person. The therapeutic reframe, and the one that changes everything, is that the problem is the cycle, and the cycle is the enemy they can fight together.
Childhood trauma does not create this pattern out of nothing. It intensifies it, speeds it up, and lowers the threshold at which it fires.
The four places childhood trauma shows up in adult love
The alarm system runs hot
A child who grew up scanning a parent’s footsteps for mood becomes an adult who reads a partner’s face, tone, and typing pace for evidence of danger. This is not paranoia and it is not a choice. It is a threat detection system that was trained under real conditions and never got the memo that conditions changed.
In practice it looks like reading catastrophe into a short text message, or hearing contempt in a neutral question about the dishes, or lying awake replaying a conversation that the other person has already forgotten. The cost is exhausting, and it is often invisible to the partner, who experiences it only as unpredictability. There is a precise physiology behind this, and it is worth understanding why the alarm stays on long after the danger has passed, because the answer explains why reassurance so rarely works.
Emotion becomes dangerous rather than informative
Emotion is supposed to work like a compass. Fear tells you to be careful, sadness tells you something mattered and is gone, anger tells you a boundary was crossed. Children who grow up in homes where emotion was punished, mocked, or met with a bigger emotion learn instead that feeling is the thing that gets you hurt.
The adaptations vary. Some people become experts at suppression and genuinely cannot answer the question “what are you feeling right now?” Others feel everything at maximum volume with no dimmer switch. Both make intimacy hard, because intimacy runs on the accurate exchange of emotional information. Johnson’s model is built around this exact problem, which is why EFT spends so much of its time slowing partners down and helping them find and voice the softer feeling that sits underneath the anger or the silence.
The body keeps the schedule even when the mind moves on
People often arrive in therapy able to narrate what happened to them with complete composure and no visible distress, and then find their chest tightening when their partner walks past without saying hello. The story has been processed. The physiology has not.
Trauma responses live substantially in the autonomic nervous system, below the level of language and reasoning. That is why insight alone so often fails to produce change. You can understand exactly why you freeze when your partner raises their voice and still freeze, every time, for years. Working directly with the body is not a fringe add-on to trauma treatment. It is frequently the only way to reach the material that talking cannot get to. Somatic exercises for releasing stored trauma can help reach physiological responses that insight and talking alone may not change.
Repair feels impossible, so injuries accumulate
Every relationship produces ruptures. What separates durable relationships from fragile ones is not the absence of rupture but the presence of repair.
Johnson and her colleagues identified a specific and devastating version of failed repair, which they named the attachment injury. In a 2001 paper in the Journal of Marital and Family Therapy, Johnson, Judy Makinen, and John Millikin described the moment when one partner needs the other at a point of acute vulnerability, a miscarriage, a diagnosis, a death, and the other is not there. The event becomes a benchmark against which the whole relationship is measured. Ordinary couples therapy tends to stall on it, because the injured partner cannot let go of something that has never been genuinely acknowledged.
For someone with a childhood trauma history, the attachment injury lands on ground that is already unstable. It does not feel like a single failure. It feels like confirmation of a conclusion reached decades ago.
What the research actually shows about healing
Here is where the story turns, and it turns on evidence rather than optimism.
Emotionally focused therapy is one of the most rigorously studied couple interventions in existence. An early meta-analysis by Johnson, John Hunsley, Leslie Greenberg, and Dwayne Schindler in 1999 pooled the four most methodologically sound trials available at the time and reported an effect size around 1.3, larger than anything else in the couple therapy literature then. In 2024, Paul Spengler, Nicholas Lee, Stephanie Wiebe, and Andrea Wittenborn published the first comprehensive meta-analysis of the entire EFT outcome literature in Couple and Family Psychology: Research and Practice, including randomized trials, quasi-experimental studies, and dissertations. They found medium to large effects, recovery rates in the region of seventy percent, and gains that held at two-year follow-up. Notably, therapist fidelity to the model predicted better outcomes, which tells you the results are coming from the method rather than from generic warmth.
The trauma-specific evidence is more directly relevant to the question at hand. Heather MacIntosh and Sue Johnson published a study in 2008 in the Journal of Marital and Family Therapy on EFT with couples where one partner was a childhood sexual abuse survivor, work that was honest about both the gains and the complexity. In 2013, Jane Dalton, Paul Greenman, Catherine Classen, and Johnson ran a randomized controlled trial of EFT with female survivors of childhood abuse and reported meaningful improvement in relationship satisfaction against a waitlist control. Going further back, Johnson and Lyn Williams-Keeler’s 1998 paper laid out the theoretical case for treating trauma inside the couple relationship rather than only inside the individual, on the grounds that a secure bond is itself an antidote to traumatic helplessness.
The attachment injury research followed the same arc from description to treatment. Makinen and Johnson published a Journal of Consulting and Clinical Psychology study in 2006 showing that a specific, staged forgiveness process could resolve these injuries, and Rebecca Halchuk, Makinen, and Johnson followed those couples three years later and found the resolutions had held.
Then there is the study that changed how many clinicians talk about this. In 2013, Johnson collaborated with neuroscientist James Coan and a team including Melissa Burgess Moser, Lane Beckes, Andra Smith, Tracy Dalgleish, Rebecca Halchuk, Karen Hasselmo, Paul Greenman, and Zul Merali on a paper in PLOS ONE titled “Soothing the Threatened Brain.” Women in distressed relationships underwent fMRI scanning while anticipating an electric shock, once while holding their partner’s hand and once alone. Before therapy, the partner’s hand did relatively little to quiet threat-related activity in the brain. After a course of EFT, holding the partner’s hand substantially reduced that activity. The relationship had become neurologically protective in a way it had not been before.
That is as close as the field gets to a picture of what secure attachment does. It is also the clearest available answer to anyone who suspects that what happened to them in childhood has permanently disqualified them from being soothed by another person.
What this means if you are living it
A few things follow from all of this, and they matter more than any technique.
The first is that the pattern is not the person. If you pursue, you are not needy. If you withdraw, you are not cold. You are each running a strategy that once kept you safe, and the strategies are now colliding. Naming the cycle out loud, together, is not a small intervention. In the EFT model it is the whole of the first stage of treatment, and couples routinely report that the fighting drops sharply once they can see the loop instead of only seeing each other.
The second is that the work is usually relational rather than solitary. There is a strong instinct among people with abuse histories to go away, fix themselves in private, and come back when they are worth being close to. It rarely works, partly because the wound was relational and partly because the nervous system learns safety by experiencing it with another person, not by reading about it. Johnson extended EFT to individual therapy in her 2019 book Attachment Theory in Practice and in the 2021 EFIT primer written with Leanne Campbell, and a 2025 randomized controlled trial led by Stephanie Wiebe in Psychotherapy found EFIT effective for depression and anxiety. Even in that individual format, the work is organized around attachment and connection.
The third is that the person you work with matters enormously. Trauma treatment done without sufficient stabilization can retraumatize, and a therapist who does not understand childhood abuse can inadvertently repeat elements of the original dynamic. Learning how to find a trauma-informed therapist for childhood abuse can help you identify the right questions to ask—and recognize answers that should make you keep looking.
The fourth is that different approaches reach different layers. Attachment-based couple work targets the bond. Somatic approaches target the physiology. Memory reprocessing approaches such as EMDR target the specific events that will not settle. Many people need more than one, in a sequence rather than all at once. If intrusive memories, nightmares, or flashbacks are the loudest part of your experience, reprocessing those memories directly is likely to be part of the answer, and it is worth knowing what EMDR treatment does and does not resolve.
The thing worth holding onto
Childhood trauma teaches a specific and brutal lesson, which is that reaching out is dangerous and being alone is safer. Adults carry that lesson into their marriages without ever having consciously accepted it, and then they wonder why closeness feels like a threat.
The research on attachment and on emotionally focused therapy points in one consistent direction. That lesson can be revised. Not erased, and not talked away, but genuinely revised through repeated experiences of reaching for someone and finding them there. It takes time, it usually takes help, and it takes a partner or a therapist who can stay present while you learn something your body has good reason to disbelieve.
Sue Johnson, who died in 2024 after building most of this field, put the underlying idea plainly across every book she wrote. We are not built to face threat alone, and the fastest route back from a frightening past runs through a safe present connection with another human being.
Frequently Asked Questions
How does childhood trauma affect adult relationships?
Childhood trauma can affect trust, emotional regulation, communication, intimacy, and the ability to feel safe with a partner. Adults may react to present-day disagreements using protective responses such as pursuing, withdrawing, freezing, or becoming hypervigilant. These responses often developed during childhood.
What are signs that childhood trauma is affecting a relationship?
Common signs include fearing abandonment, struggling to trust, avoiding emotional vulnerability, overanalyzing a partner’s behavior, shutting down during conflict, or reacting intensely to seemingly minor situations. Couples may also become trapped in a repeated cycle in which one partner pursues connection while the other withdraws.
Can childhood trauma cause attachment issues in adulthood?
Yes. Childhood abuse, neglect, inconsistency, or emotional unavailability can shape how a person seeks closeness and responds to perceived rejection. These experiences may contribute to anxious, avoidant, or disorganized attachment patterns, but attachment responses can change through safe relationships and appropriate therapy.
Why do people with childhood trauma struggle with intimacy?
Intimacy requires vulnerability, which may feel unsafe to someone who learned that closeness could lead to rejection, neglect, or harm. Even when a person consciously wants connection, their nervous system may respond to emotional or physical closeness as though it presents a threat.
Can a healthy relationship help someone heal from childhood trauma?
A consistently safe and supportive relationship can help a person develop new experiences of trust, connection, and emotional repair. However, a partner should not be expected to act as a therapist. Professional trauma-informed support may still be necessary.
What type of therapy helps with childhood trauma and relationship problems?
Emotionally Focused Therapy can help couples recognize negative interaction cycles and develop a more secure emotional bond. Depending on a person’s needs, treatment may also include trauma-informed individual therapy, EMDR, or somatic approaches that address distressing memories and nervous system responses.