There are things we carry that don’t have clear edges. You might not remember exactly what happened, or when it began, but something in you reacts anyway. A tightening in your chest. A sudden wave of anxiety. A need to withdraw, or to stay hyper-alert. It can feel confusing, like your body is telling a story your mind doesn’t quite have access to.
This is one of the central insights in trauma work, that not everything that shapes us is stored as a conscious memory. As Bessel van der Kolk writes, the body holds experiences in ways that words alone often cannot reach. Trauma isn’t just remembered, but it is lived, again and again, through sensation, emotion, and reaction.
The Nervous System Is Always Listening
Beneath our thoughts, there’s a quieter system constantly scanning the world. The nervous system is asking, moment by moment: Am I safe?
According to Stephen Porges, this process happens automatically. We don’t decide whether to feel safe, but our body decides for us, based on subtle cues such as tone of voice, facial expression or pace of movement.
When the system senses safety, we can connect, think clearly, and feel present. When it senses threat, everything shifts. We might move into fight or flight which can manifest into anxiety, urgency or irritability. Or, if things feel too overwhelming, we might shut down entirely, which can make us feel numb, distant or disconnected.
These responses are not signs that something is wrong with us. They are signs that our nervous system has learned something, and is trying to protect us.
When the Past Doesn’t Stay in the Past
Trauma doesn’t always come from one dramatic event. It can build slowly, through repeated experiences of not feeling safe, seen, or supported.
Over time, the nervous system adapts. It becomes quicker to detect danger, even where none exists. A look, a silence or a shift in tone can trigger reactions that feel immediate and intense.
As Peter Levine explains, trauma is less about what happened, and more about what got “stuck” in the body as a result. Energy that couldn’t be processed at the time doesn’t simply disappear. It stays and is held in patterns of tension, breath, and readiness.
This is why insight alone isn’t always enough. You can understand your past and still feel hijacked by it. The mind may know you’re safe, but the body hasn’t caught up yet, which can cause a lot of distress.
Healing Happens in the Body, Not Just the Mind
If trauma lives in the body, then healing has to involve the body too. This doesn’t mean dramatic reliving or pushing yourself to revisit painful experiences. In fact, the opposite is often more helpful such as gentle awareness and practising small but powerful shifts. This allows us to notice what’s happening inside ourselves without becoming overwhelmed..
This is where approaches grounded in the nervous system become so powerful. Rather than asking “What’s wrong with me?”, they ask, “What is my system trying to do right now?” Practitioners like Gabor Maté emphasise that many of our coping patterns, whether it’s overworking, withdrawing, or staying constantly busy, began as intelligent adaptations. They actually helped us survive.
Healing, then, isn’t about getting rid of these patterns. It’s about gently helping the body discover that it doesn’t need them in the same way anymore.
Co-Regulation: We Don’t Heal Alone
One of the most overlooked truths about healing is that we are not meant to do it in isolation. Our nervous systems are shaped in relationship, and they are soothed in relationship too.
Co-regulation is the process of one nervous system helping another settle. It might be as simple as sitting with someone who feels calm and grounded. Someone who listens without rushing, who doesn’t overwhelm or withdraw. In those moments, something subtle begins to shift. Breathing slows. Muscles soften. The body starts to receive a message it may not have trusted before: this is safe.
This is why therapy, friendship, and even small moments of genuine connection can be so powerful. Not because someone else fixes us, but because their presence gives our system something new to learn from.
Boundaries Create the Conditions for Safety
It’s difficult for a nervous system to relax if it doesn’t know where it stands. Boundaries help create that clarity. They tell the body that this is okay, and this is not. This is where I end, and where you begin. Without boundaries, everything can feel unpredictable. And unpredictability keeps the nervous system on edge.
Healthy boundaries aren’t about shutting people out. They’re about creating enough safety that connection becomes possible. When we can trust our own limits, the body has less reason to stay on high alert. In this sense, boundaries are not barriers, but are supports. They become important but quiet structures that allow the nervous system to settle.
A Slower, Kinder Way of Healing
There’s a temptation to want healing to be quick. To find the insight that unlocks everything, or the technique that makes it all go away. But trauma doesn’t work like that. And neither does healing. It’s slower. More subtle. Often almost invisible from the outside.
It might look like noticing your breath when you feel anxious. Pausing instead of reacting. Letting yourself stay present for a few seconds longer than you could before. These small moments matter. They are how the nervous system learns. Not through force, but through repetition. Through experience.
Over time, the body begins to recognise something new, that the present is not the same as the past.
Learning to Feel Safe Again
If trauma is the body holding on to what once felt overwhelming, then healing is the process of gently letting that grip loosen. Not by pushing it away, but by offering something different.
Moments of safety. Moments of connection. Moments where nothing bad happens, even though part of you expected it might. Gradually, the system recalibrates.
And what once felt automatic, manifesting in fear, shutdown, tension, becomes less immediate, less powerful. Not gone entirely, but no longer in control. The body doesn’t forget what happened. But it does learn something new. That it survived. And that, now, it might be safe to live differently.
References
van der Kolk, B. (2014). The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma. New York: Penguin Books. https://ia601604.us.archive.org/35/items/the-body-keeps-the-score-pdf/The-Body-Keeps-the-Score-PDF.pdf
Maté, G. (2018). The Myth of Normal: Trauma, Illness, and Healing in a Toxic Culture. Toronto: Knopf Canada.https://ia601504.us.archive.org/23/items/the-myth-of-normal-by-gabor-mate/The%20Myth%20of%20Normal%20by%20Gabor%20Mate.pdf
Porges, S. W. (2011). The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation. New York: W.W. Norton & Company. https://pmc.ncbi.nlm.nih.gov/articles/PMC3490536/
Levine, P. A. (1997). Waking the Tiger: Healing Trauma. Berkeley, CA: North Atlantic Books. https://archive.org/details/wakingtigerheali00levi