Your Nervous System Is Shaping Every Relationship You Have
Updated: Mar 16
Written by Gemma Sheppard, Pet Relationship Expert
Gemma Sheppard (BSc, MSc) is a writer, yoga teacher, and animal welfare advocate with a background in Psychology and Human-Animal Interaction. Her work explores the link between mindset, nervous system regulation, and the way humans relate to animals, training, and themselves.
For a long time, I thought personal growth was mostly about mindset. If I could change my thoughts, challenge my beliefs, and learn better strategies, then everything else in my life would improve. Like many people with a background in psychology, I assumed insight came first, and behavior followed.
What I have learned, both professionally and through lived experience, is that this order is often backwards. Before thoughts, before beliefs, before any technique or communication skill, there is something more fundamental shaping how we show up in the world, the state of our nervous system.
Whether we feel safe or threatened, grounded or overwhelmed, regulated or reactive, determines how we interpret everything around us. It influences how we speak, how we listen, how patient we are, and how much access we have to our own judgment. In other words, it shapes every relationship we have.
For years, I missed this entirely. As an intellectual person, I thought I could think my way out of unhelpful coping strategies or thinking patterns. But the mind-body connection cannot be overlooked.
When something felt difficult in my life or work, my instinct was to do more, learn more, try harder, fix the problem. If a situation wasn’t improving, I assumed I simply hadn’t found the right approach yet. I kept looking outward for answers, for better tools, for people who seemed more confident or more qualified than me.
At the same time, my body was often running on stress. Shallow breathing, tight shoulders, rushing from one thing to the next, constantly scanning for what might go wrong. From the outside, I probably looked capable and high-functioning, but internally, I rarely felt calm. The problem was that I was trying to solve everything cognitively while my body still felt unsafe, and when the body feels unsafe, the brain follows.
In a dysregulated state, our thinking narrows, meaning we become more negative, more self-critical, and more reactive. Small issues feel bigger than they really are, and neutral interactions can feel threatening. We assume the worst about ourselves and others and subsequently lose access to nuance and compassion, even if we know better intellectually.
It is incredibly hard to make wise, grounded decisions from a nervous system that feels like it is being chased by a lion. This is why so many people understand exactly what they should do, yet still find themselves repeating the same patterns. They read the books, attend the workshops, journal about their beliefs, and still feel stuck. Not because they are incapable, but because their body has not received the memo that it is safe. No amount of positive thinking can override biology.
Once I started paying attention to regulation first, everything began to make more sense. I noticed that on days when I felt calm and rested, I was more patient, more decisive, and far kinder to myself and others. Conversations flowed more easily. Boundaries felt clearer. I trusted my judgment. The world didn’t seem so hostile or heavy.
On days when I was exhausted or overwhelmed, the exact same life looked completely different. I second-guessed myself, overthought small decisions, bickered with friends and family, and assumed I was a bad person. Nothing external had changed, only my state had. That realization was both confronting and freeing.
It meant that many of the problems I had been trying to fix at the level of personality or mindset were actually physiological. They weren’t character flaws, they were stress responses. When we are chronically dysregulated, we don’t just feel worse, we literally see the world differently. Our brains prioritize threat detection over connection and creativity. We become more controlling, more avoidant, or more people-pleasing, all in an attempt to feel safe. From that place, relationships inevitably suffer because we are reacting rather than responding.
Regulation, then, is not a luxury or a nice added extra, it is foundational. It is the difference between reacting impulsively and choosing intentionally. The difference between assuming the worst and staying curious. The difference between abandoning yourself and trusting your own judgment.
In my work, and within the community I’ve built, Animals Make Us Human, I often remind people that before you try to fix your thoughts, your habits, or your relationships, it helps to ask a simpler question. Do I feel safe in my body right now? If the answer is no, that is the place to start.
Sometimes that means slowing your breathing and lengthening your exhale. Sometimes it means stepping outside, feeling your feet on the ground, or taking a proper break instead of pushing through. Sometimes it simply means acknowledging that you are overwhelmed and adjusting your expectations accordingly.
These actions look small, almost insignificant, yet they change everything. Because once the body feels safer, the mind becomes clearer. Decisions feel less frantic, and boundaries feel more natural, which ultimately means self-trust grows, without force.
From that place, personal development stops being a constant battle to improve yourself and starts to feel more like a return to yourself. We often search for complicated answers when the most powerful shifts are surprisingly simple. You don’t need another strategy. What you really need is a steady, regulated nervous system that allows you to meet your life with presence, rather than panic.
When you change your state, you change your relationships. And when you change your relationships, you change your life.
Read more from Gemma Sheppard
Gemma Sheppard, Pet Relationship Expert
Gemma Sheppard is the founder of More Than Human and creator of mindset workshops for dog owners and animal carers, focused on improving the human-animal bond through psychology, welfare-led thinking, and nervous system awareness.
With a background in Psychology (BSc) and Human-Animal Interaction (MSc), Gemma’s work explores how beliefs, emotions, and regulation influence the way humans relate to animals. She is also a yoga teacher and writer, and her approach blends evidence-based knowledge with embodied practice and a strong focus on animal welfare.
Her work includes workshops, writing, digital resources, and education for pet owners who want to build calmer, more ethical, and more connected relationships with their animals. She is also an advocate for welfare-first animal care and will one day create an animal sanctuary and retreat space centred on co-regulation, compassion, and healing.
