Why Your Reactions Make Sense: A Simple Guide to Your Nervous System
If you’re like the clients I work with (and me if I’m being honest), you’ve probably had moments where your reaction didn’t quite match the situation.
Maybe your heart was pounding, even though nothing “big” was happening.
Maybe you felt overwhelmed by something that seemed small.
Or maybe you shut down completely and felt unsure why it was so hard to care or respond.
And if you’re like a lot of the people I work with, there’s often a second layer that shows up right after:
What’s wrong with me?
Why can’t I just handle this better?
But what if your reactions actually make sense?
What if they’re not random, dramatic, or a sign that you’re “too much”
but instead your body doing exactly what it was designed to do?
Your Body Has a Built-In Alarm System
Whether you realize it or not, your body is constantly scanning your environment.
Not in an overthinking, analytical way but in a fast, automatic, behind-the-scenes way.
It’s asking one simple question over and over again:
Am I safe right now?
Based on that answer, your body shifts into different states to help you respond.
You don’t consciously choose these shifts. They happen quickly, and often without your awareness.
This is your nervous system at work.
And its job isn’t to make you calm, happy, or productive. Its job is to protect you.
The Two Most Common Stress Responses
When your nervous system senses stress, it tends to move in one of two directions in order to help you cope with the perceived threat.
When Your System Speeds Up
Sometimes your body responds by ramping everything up.
This might look like:
Racing thoughts you can’t turn off
Feeling on edge or easily irritated
A sense of urgency, even when nothing is urgent
Trouble relaxing or slowing down
Feeling like something awful might happen at any moment
This is often what people think of as anxiety.
Your system is essentially saying:
Something might be wrong. Let’s get ready.
This is where strategies for how to regulate your nervous system often focus on helping your body slow back down.
When Your System Slows Down
Other times, your body goes in the opposite direction. Instead of speeding up, it pulls back.
This might look like:
Feeling numb or disconnected
Low energy or exhaustion
Trouble focusing or staying present
Lack of motivation
Feeling emotionally shut down
This can overlap with what people describe as depression.
Your system is saying:
This feels like too much. Let’s conserve energy and protect you by shutting things down.
This is why therapy for depression doesn’t just teach you how to “focus on the positives.” Because this response is happening in your body, not just your thoughts.
The State You’re Looking For
There’s one more state that often gets overlooked but it’s the one most people are trying to get back to.
Sometimes called the “window of tolerance,” this is when your nervous system feels more steady, connected, and flexible.
This might look like:
You can think clearly and respond instead of react
You feel present in your life instead of overwhelmed or checked out
Emotions come up, but they feel manageable
You can handle stress without it completely taking over
You feel more like yourself
This doesn’t mean you feel calm all the time or that nothing bothers you.
It means your system has enough stability to move through experiences without getting stuck in anxiety or shutdown.
For a lot of people, this state can feel unfamiliar or difficult to access consistently. That’s not a personal failure. It’s often a reflection of what your nervous system has learned over time.
Why This State Can Be Difficult to Access
If your system has spent a long time in survival mode, “steady” can actually feel uncomfortable. Some people even notice that when things are calm, their system starts looking for what might go wrong. Others feel restless, uncomfortable, or disconnected when things slow down.
This is part of what makes learning how to regulate your nervous system feel challenging at first. You’re not just learning new skills, you’re helping your body get used to a different way of being.
The Goal Isn’t to Be Calm All the Time
No need to aspire to a version of yourself sitting in a meditation feeling totally zen without a care in the world at all times.
That image is not only unrealistic, it’s not even the goal. Everyone moves out of their window of tolerance sometimes. What matters is whether you can come back.
You’re supposed to feel activated sometimes.
You’re supposed to slow down and rest.
You’re also supposed to have access to a clear headed state where you can manage stressors, dissapointment, saddness, etc. and not have those emotions take over completely.
Can your system move between these states without getting stuck?
Can you come back down when you feel overwhelmed?
Can you reconnect when you feel shut down?
Learning how to regulate your nervous system isn’t about forcing yourself into calm. It’s about building the ability to respond to what your body is doing with more awareness and more choice.
Why This Matters
If you’ve ever tried to “think your way out” of anxiety or depression, you already know how frustrating it can be.
You might tell yourself:
“It’s not a big deal”
“I should be able to handle this”
“Just calm down”
And yet… your body doesn’t listen. That’s not a failure on your part. It doesn’t mean there is something wrong with you or you’re not strong enough. It’s actually really important information because it means this is more than just a mindset shift.
Your nervous system responds to cues of safety and danger—not logic.
So even if part of you knows you’re safe, your body might still feel activated or shut down.
This is a big reason why people seek out therapy for anxiety or trauma therapy—because these patterns don’t shift through insight alone.
They shift when your body begins to feel safer.
Your Reactions Aren’t Random
A lot of people I work with feel their physical responses are unpredictable and out of their control. But when we slow things down, there’s almost always a pattern.
Maybe your anxiety spikes in situations where you feel evaluated or judged.
Maybe you shut down when there’s conflict or emotional intensity.
These responses often connect to past experiences; often ones where you didn’t feel safe, supported, or in control.
Your nervous system learned from those experiences and now it’s trying to stay one step ahead, even if the situation today is different.
This is a big part of what we explore in trauma therapy: not just what happened, but how your body learned to respond and protect you.
Why Self-Criticism Makes It Harder
One of the most common patterns I see is the unhelpful piece that comes after the anxiety or shutdown:
The critical self-talk.
“I’m overreacting”
“This is ridiculous”
“Why am I like this?”
It makes sense that you’d want to push these reactions away, but when your body already feels unsafe, adding judgment tends to amplify that feeling. Instead of helping you regulate, self-criticism and judgement keeps the cycle going.
A different starting point is this:
What if this reaction makes sense, even if I don’t fully understand it yet?
That small shift can begin to change your relationship with your own experience.
What Actually Helps
If your nervous system is driving these reactions, then real support has to include your body, not just your thoughts.
That’s where a lot of coping strategies come in.
But not the kind that feel forced, unrealistic, or impossible to do in the moment.
The kind that meet you where you are:
When you’re overwhelmed and need things to slow down
When you’re shut down and need help reconnecting
In the next two posts, I’ll walk you through:
5 ways to cope when your system is on high alert (anxiety, overwhelm, irritability)
5 ways to cope when your system is feel numb (shut down, frozen, disconnected)
These are simple, practical tools you can actually use in real life.
If You Need Extra Support
Understanding your nervous system can be a powerful starting point.
It helps you make sense of reactions that used to feel confusing or frustrating.
It can soften some of the self-blame.
And it opens the door to responding differently.
But knowing this intellectually and experiencing it in your own life are two different things.
That’s where therapy can help.
In my work, I focus on helping you understand your nervous system in a way that feels personal and relevant to your life. From there, we build practical ways to support your system so you feel more steady, more connected, and more confident in how you respond to what’s coming up.
If you’re noticing patterns of anxiety, shutdown, or emotional overwhelm, and you’re ready for support that goes deeper than just coping on the surface, I’d be glad to connect.