Why Your Body Keeps Bracing: What Anxiety Is Actually Trying to Do

There's a version of this I've heard more times than I can count.

He (this is fictional) grew up in a house where love was conditional and criticism was constant. Not abuse in the way people usually mean the word — no bruises, nothing he could easily name. Just a father whose approval was always slightly out of reach. A childhood spent learning to read the room, manage the mood, stay small enough not to become the problem.

He's in his thirties now. Doing well by most measures.

And yet — there's a hum underneath everything. A vigilance that never fully powers down. His body still moves through the world like something bad is about to happen, like safety is always provisional, and consistently feeling distant in his significant relationships.

"I don't know why I feel this way," he’ll say. "I have no reason to be anxious."

That last sentence is the one I want to spend some time with.

Anxiety isn't a malfunction

Here's something I find myself returning to again and again with clients: anxiety is not a bug in your system. It's a feature. A very old, very intelligent, very committed feature.

Your nervous system has one primary job — keep you alive. And it is good at it. Long before you had the capacity for language or logic, your body was scanning your environment for danger and responding accordingly. Heart rate up. Muscles tensed. Attention narrowed. Ready.

In the language of Internal Family Systems therapy, anxiety is a protector. It shows up — sometimes aggressively, sometimes exhaustingly — because it believes you need protecting. [1]

If there's a tiger nearby, anxiety is your best friend. It will save your life without a moment's hesitation.

The problem, of course, is that most of us aren't being chased by tigers.

The nervous system doesn't always know that

Here's what took me a while to fully understand.

The nervous system doesn't distinguish reliably between a physical threat and an emotional one. Between a tiger in the forest and a difficult conversation at work. Between actual danger and the memory of danger that happened twenty years ago.

Dr. Bessel van der Kolk, whose research on trauma has shaped the way I work, puts it plainly: the body keeps the score. [2] What that means in practice is that old experiences — moments of extreme overwhelm, of one’s life feeling (or being) threatened, of being alone in the face of something too big — can leave residue. They live in the tissue, in the breath, in the way the shoulders hold themselves.

So when someone tells me they have no reason to be anxious, I don't doubt their assessment of the present. I get curious about the past.

What's underneath it

Dr. Gabor Maté, whose work on the mind-body connection I return to regularly, describes anxiety as the body's response to unprocessed emotion — the physiological aftermath of experiences that were too much to feel at the time. [3]

This is where somatic experiencing and polyvagal theory become genuinely useful, not just as clinical frameworks but as maps.

Stephen Porges' polyvagal theory tells us that our nervous system is constantly reading cues of safety and danger from our environment — what he calls neuroception — often well below the level of conscious awareness. [4] When it detects danger, real or remembered, it shifts states: fight, flight, or freeze. The anxious person isn't overreacting. Their nervous system is doing exactly what it was trained to do, based on everything it has learned about the world.

Levine's somatic experiencing work adds another layer: when the survival response gets activated but can't complete — when we brace but can't run, tense but can't fight — that energy doesn't simply dissipate. It stays. [5]

This is the hum. This is the bracing. This is what my client can feel in his chest even when life is technically fine.

What EMDR helps us understand

When I work with clients using EMDR — Eye Movement Desensitization and Reprocessing — what we're often doing is finding the moments where that survival energy got stuck. [6]

A memory. A feeling. A belief that formed in the middle of something overwhelming: I'm not safe. I'm not enough. Something is always about to go wrong.

The EMDR process doesn't erase those memories. It changes their charge. It allows the nervous system to finally complete what it started — to process what was too much to process at the time — so that the past stops bleeding into the present.

What I often notice, and what Hilary Hendel's work on the change triangle illuminates beautifully, is that underneath anxiety there are almost always deeper, core emotions that have never had space to move through. [7] Grief. Anger. Fear. Not the anxious kind of fear — but honest, clean fear about something real. Anxiety is often standing guard over those emotions, keeping them tucked away, because at some point it learned that feeling them wasn't safe.

Part of our work together is gently introducing it to the possibility that it might be safe now.

A word I'd say to your anxiety

In my office, when I sense the anxious part of someone rising up — tightening, scanning, flooding — I sometimes ask them to turn toward it rather than away from it.

Not to reason with it. Not to argue it down. But to get curious.

What are you protecting? What are you afraid will happen if you relax? How long have you been working this hard?

These questions almost always open something. Because anxiety, underneath the noise, is usually carrying something tender. Something that's been waiting a long time to be seen.

I know this territory. Not just from the chair I sit in, but from the one I've sat in myself. I've had my own relationship with that low-level hum — the part that doubts, that braces, that gets small.

What I've learned — in my work and in my own life — is that anxiety quiets not when we defeat it, but when we finally address what it's been pointing at all along.

So what do we do with it?

The short version is this: we slow down, we turn toward, and we get curious about what's underneath.

The longer version is that this is exactly the work that therapy makes possible. Not because a therapist fixes anything, but because having another person — a steady, present, non-anxious one — creates the conditions where the nervous system can finally relax enough to process what it's been carrying.

You don't have to have it all figured out to start.

You just have to be willing to get a little curious.

References

[1] Schwartz, R. C. (2021). No bad parts: Healing trauma and restoring wholeness with the Internal Family Systems model. Sounds True.

[2] Van der Kolk, B. A. (2015). The body keeps the score: Brain, mind, and body in the healing of trauma. Penguin Books.

[3] Maté, G. (2019). When the body says no: The cost of hidden stress. Vintage Canada.

[4] Porges, S. W. (2011). The polyvagal theory: Neurophysiological foundations of emotions, attachment, communication, and self-regulation. W. W. Norton & Company.

[5] Levine, P. A. (2010). In an unspoken voice: How the body releases trauma and restores goodness. North Atlantic Books.

[6] Shapiro, F. (2018). Eye movement desensitization and reprocessing (EMDR) therapy: Basic principles, protocols, and procedures (3rd ed.). Guilford Press.

[7] Hendel, H. J. (2018). It's not always depression: Working the change triangle to listen to the body, discover core emotions, and connect to your authentic self. Random House.