Diversity Breeds Vitality: Nervous System Capacity and the Courage to Welcome Otherness
Nov 8, 2026 · @Alexis Lyon
On nervous system regulation, self-trust, and the life-giving possibilities of difference

There are so many ways to do things
Recently, in a quiet immersion of listening inward, I placed my attention in my hips, my pelvic bowl, where my body seemed to be calling me, and asked a simple question: what do I need to be aware of here?
The answer arrived more as a feeling than a thought: there are just so many ways to do things.
It sounds obvious. But it landed as a deep recognition. Every family is its own culture. Every body is its own ecosystem. Even two people sitting across a table from each other are two cultures meeting. Which means that almost everywhere we go, we are relating across difference.
Every relationship becomes an opportunity for cross-cultural integration, if we choose to see it that way. And I mean all of our relations: with other people, and with the elements, the weather, and the environments we move through.
I felt it poignantly, and just enough not to be overwhelmed. At the edge of my comprehension, I met expansion and wonder: a vast sense of all the ways of being human, queendoms upon kingdoms, worlds upon worlds, generations of people finding their way and creating humanity. It asked something of me: reverence.
It also clarified something about my work, and about healing itself. The goal of healing isn't simply to feel safer in an increasingly controlled world. It is to develop the embodied self-trust to participate more fully in a diverse, unpredictable, and profoundly interconnected one.
Diversity breeds vitality, at every scale
There is a phrase I associate with Peter Levine, the founder of Somatic Experiencing: diversity breeds vitality.
We see this truth throughout the natural world. Healthy ecosystems are sustained by intricate relationships among diverse organisms, each contributing something unique to the larger web of life. A forest or a reef has no single manager, yet it keeps finding its way back to balance through countless relationships and feedback loops. The more varied the life within it, the more ways it has to absorb a shock and recover. Health is not the absence of difference. It is the result of a thriving, diverse ecosystem.
Think of an estuary, the place where a river meets the ocean. Twice a day the tide pushes salt water up into the river mouth. The river stays itself, and yet it opens to something larger and different, mixes with it, and is richer for it. That meeting of different waters makes estuaries some of the most life-filled places on Earth.
Here in Costa Rica, I have been watching a version of this. During the dry months, many river mouths close off with sand and become still, quiet lagoons. Then the rains come, the sandbar breaks open, and the lagoon reconnects with the sea. Fresh water meets salt water again, and the whole place comes back to life.
The closed lagoon is not a mistake. Dry seasons and fallow times have their own wisdom: rest, consolidation, a quiet turning inward. Nature doesn't ask a river mouth to stay open all year. It simply doesn't stay sealed forever. When the season turns, it opens again.
Or think of cross-pollination. As bees, butterflies, birds and other pollinators move between flowers, they carry pollen that helps create genetically diverse seeds. New combinations become possible. Life does not flourish through isolation alone. It flourishes through relationship, exchange, and the creative possibilities that arise when differences meet.
The same seems true at every scale. Within our bodies, research increasingly links a diverse gut microbiome with better health. Within our psyches, wholeness comes from welcoming the many parts of us. And in families, communities, cultures and countries, there seems to be a natural pull to widen again, back toward balance, when too much sameness has narrowed things.
If you have kids, you may know this story from Frozen II. Years before the film begins, Anna and Elsa's grandfather built a dam in the forest of the Northuldra people. He called it a gift, but it was built out of fear and the wish to control a people who were different. When Anna finally sees that the dam has to come down, the river runs free, the mist lifts, and the people, the land and its spirits come back into balance.
The familiar is not always the safe
Our nervous system is always asking one quiet question beneath our awareness: am I safe here? Stephen Porges calls this neuroception, the body's way of scanning for cues of safety and danger before the thinking mind catches up. Drawing on past experience, it anticipates what might be threatening and what might be safe.
Familiar faces, rhythms and ways of doing things tend to read as safe, even when they're not. The unfamiliar can read as uncertain, and uncertainty can read as threat, though not always. Sometimes the unfamiliar sparks something in us instead: curiosity, recognition, wonder.
Yet what is familiar is not necessarily what is healthy, nourishing, or even safe. We may stay in relationships that diminish us because their dynamics are recognizable. We may suppress emotions that were unwelcome in our early environments. We may resist new perspectives or opportunities because they challenge the identities we have organized our lives around.
This is not a failure of courage or character. It is the body's remarkable capacity to learn from experience and organize itself around protection. But protection and vitality are not always the same thing. A life organized mainly around avoiding uncertainty may become more predictable, and also smaller.
I notice sometimes how easy it is to silo myself from difference. When I'm single-minded and goal-oriented, just trying to get through my day and my routines, I narrow. I see what I need to see to get the next thing done, and skim past the people and ways of being that don't fit the plan. Narrowing is efficient, and sometimes protective. But a nervous system that lives in constant narrowing starts to experience the world as a series of obstacles, and other people as interruptions. We can begin to mistake our way of doing things for the only way, or the "right" way.
Difference is not inherently danger, and discomfort is not always a signal that something is wrong. Learning to tell genuine threat from manageable unfamiliarity is part of developing greater psychological flexibility.
Three landscapes of otherness
We meet difference in many forms. Three landscapes feel especially meaningful: the otherness within us, the otherness between us, and the otherness of the unknown.
The other within
Some of our most unfamiliar encounters happen inside us. We discover emotions, desires and capacities that don't fit our established sense of who we are. Anger when we learned to be agreeable. Vulnerability when we learned to be strong. Desire when we learned to put others first. A longing for freedom when our lives have been organized around responsibility.
We may have exiled these parts to keep attachment, approval or belonging. Yet wholeness doesn't ask us to become less complex. It invites a more compassionate relationship with the full diversity of our humanity. The more of ourselves we can meet with compassion and discernment, the less energy we spend keeping ourselves divided.
The other between us
We meet people whose beliefs, cultures, identities and ways of seeing differ from our own. These encounters can be enriching, unsettling, or both. Difference can reveal assumptions we didn't know we carried and open possibilities we couldn't have found alone. It can also activate our protective responses: defending, categorizing, withdrawing, or seeking reassurance through agreement.
Some of our most meaningful growth comes when we can stay grounded in ourselves while making room for another person's distinct experience. We can listen without immediately defending. We can disagree without dehumanizing. We can stay curious without abandoning our values, and be influenced without losing ourselves. True belonging does not require sameness. It requires enough safety to stay connected in the presence of difference.
The other of the unknown
Life keeps bringing us into unfamiliar territory: a new relationship, a move to another country, a career change, a loss, a creative calling. Even what we deeply want can activate fear, because the nervous system doesn't always distinguish a meaningful opportunity from a threat.
The capacity to tolerate uncertainty isn't indifference to risk. It is the ability to stay connected to ourselves, our values and our resources while moving through what can't be predicted. We discover we can feel afraid and still move toward something meaningful. Our world becomes larger, not because it is safer or more predictable, but because our capacity to engage with it has grown.
Capacity: rooted enough to open
Openness is often described as a mindset or a choice. But it is also shaped by our physiology. When our nervous systems sense significant threat, attention narrows and the body mobilizes toward protection. We may become reactive, rigid, withdrawn or overwhelmed, and curiosity becomes harder to reach.
Dr. Dan Siegel's idea of the window of tolerance helps here. It describes the range of activation within which we can stay present, responsive, and able to process experience. Beyond it, we may tip into hyperarousal, such as anxiety, agitation or vigilance, or into hypoarousal, such as numbness, disconnection or collapse. These responses aren't pathological. They are part of the nervous system's protective repertoire.
Our bodies are ecosystems too. I have carried a long-standing tension pattern in my left hip, and more recently I've noticed it connects to a place behind my heart: a kind of contraction, as if something is bracing. I've come to think of these places of holding as sandbars closing off a river mouth. They form for good reasons, often to protect us from too much, too fast. But when they stay long after the danger has passed, they block the very flow that would bring us back to balance. And I know how life-giving it feels when that contraction releases and there is flow again.
So nervous system regulation is not about never contracting or staying perpetually calm. It is about building the capacity to return to flow: noticing our body's signals without reading every discomfort as danger, and having the resources to know when we need support, rest, boundaries, or a change in circumstances. We don't expand our capacity for life by overriding our nervous systems. We expand it by developing a more compassionate, responsive relationship with them.
There is a beautiful paradox here. We often imagine safety comes from reducing uncertainty and keeping things familiar. But another kind of safety grows as we come to trust our capacity to meet changing conditions. Not the certainty that nothing hard will happen, but confidence that we can recognize our needs, reach for support, and stay connected to ourselves when things are unfamiliar.
In nature, rootedness and openness are not opposites. A flowering plant draws nourishment through its roots while staying open to sunlight, weather, pollinators and the seasons. Its stability supports its participation in a larger ecology. We, too, can cultivate a rootedness that makes openness possible. We do not have to lose our roots to be transformed by what the world brings us.
Embodied skills for meeting otherness
Somatic approaches such as Bodynamics describe embodied skills that develop throughout life and can keep growing at any age. Several of them map beautifully onto the three landscapes of otherness, and each one doubles as a simple nervous system regulation practice.
I have found Bodynamics especially helpful here. Developed in Denmark by Lisbeth Marcher and colleagues, this somatic developmental approach describes eleven ego functions: embodied capacities such as connectedness, centering, boundaries, grounding and social balance. They form throughout life, running like paths through each stage of our development, and they can be strengthened at any age. If you want to go deeper, Marcher's Body Encyclopedia is a rich resource.
- Centering (the other within). Feel the vertical line through the core of your body. When an unfamiliar feeling or part of you arises, come back to center and let it be there with you, without being swept away.
- Managing energy (the other within). Notice rising charge, such as excitement, anger or fear. Send a long, slow exhale toward the place of holding, as if water were moving through it again, so the energy can settle instead of exploding or shutting down.
- Boundaries (the other between us). Sense where you end and another person begins. This lets you stay in contact without merging, and stay close without disappearing.
- Social balance and positioning (the other between us). Feel how you can belong to a group and still keep your own place and point of view. When someone does things differently, ask silently: what is their way here, and what might it teach me? It is hard to be curious and threatened at the same time.
- Grounding and reality testing (the unknown). Feel your feet and the earth's support. Then let your eyes move slowly around you and find three things that tell your body you are safe right now. This is how the body learns to tell genuine threat from manageable unfamiliarity.
- Connectedness (through all three). Return to nature's rhythms and to the people who feel like home. Bodynamics holds that mutual connection is one of our deepest drives, and in the end, it is what all this capacity is for.
From tolerance to vitality
There is a difference between tolerating difference and welcoming what it makes possible. Tolerance can be an essential beginning. For someone whose nervous system learned to link novelty with danger, simply staying present with something unfamiliar is real growth.
But tolerance need not be the destination. As safety, discernment and flexibility grow, we may find something beyond endurance: curiosity, wonder, connection, creativity. The possibility of being enriched by what we meet. Like cross-pollination, the point of an encounter is not only to survive contact with something different, but that something generative might emerge through the exchange.
Not every encounter will be nourishing, and not every difference needs to be embraced. Growth never requires us to tolerate mistreatment, abandon our boundaries, or stay in unsafe situations. Our capacity to say no is as essential to authentic openness as our capacity to say yes. But when we meet difference from grounded choice rather than automatic defense, new possibilities open.
Like the ecosystems we belong to, we are shaped through relationship, adaptation and exchange. We are not static beings meant to stay unchanged by our encounters. We are participants in an ongoing ecology of becoming, and health, in a body, a family, a community or a country, is what a thriving, diverse ecosystem produces.
This is what I mean by cross-cultural integration. Not staying wide open all the time, any more than a river mouth stays open all year, but letting our encounters, with a person, a place, a season, widen our repertoire and our aperture over time, in a rhythm that honors both opening and rest.
So this is what I hope for, for you and for me: not a smaller, safer life, eternally sealed off like a lagoon in the dry season, but the embodied self-trust to open to the tide when the season and cycle are right. The goal is not merely to feel safe enough to survive life. It is to become safe enough within ourselves to live it more fully.
If you notice that you brace against difference, or that your body holds old contractions that keep you narrow, you don't have to untangle it alone. In my coaching work, we use nervous system regulation and somatic practices to help you come back to flow, so you can meet the world, and yourself, with more openness and trust.
Want to practice meeting difference in a circle of women? Join The Becoming, my online women’s group.
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