You have had this moment.

Something small happens.

A comment. A look. A delay.

And before you can think:

You are angry.

Or irritated.

Or anxious.

Or shut down.

Then a few seconds later, your thinking brain shows up and says,

“Why did I just react like that?”

Often with shame, remorse, or embarrassment.

Here Is What Is Actually Happening

There is a part of your brain built for speed.

It lives in the

limbic system

and includes the

amygdala

Its job is simple: detect problems and react immediately.

Then there is the thinking part of your brain, the

prefrontal cortex

Its job is to slow things down, add context, and decide what actually matters.

The Problem

The fast system can respond up to 40 times faster than the thinking system.

So by the time you are aware of what is happening:

Your body has already reacted

Your tone has already changed

Your physiology has already shifted

You are not choosing the reaction.

You are catching up to it.

Why It Gets Worse Over Time

If your system has been under load for a long time:

It gets faster at detecting “threat”

It lowers the threshold for reacting

It starts treating normal situations like they matter more than they do

So now it is not just big things.

It is small things.

Tone of voice.

Timing.

Uncertainty.

This Is the Part Most People Miss

You cannot think your way out of something

that happens before thinking even starts.

That is why insight alone does not fix it.

How This Actually Changes

You do not fix this by trying harder in the moment.

By the time you are trying, it has already happened.

You change it by training the fast system outside the moment, so it stops firing so quickly in the first place.

1. Slow the Body First

The fast system listens to the body more than it listens to thoughts.

If your breathing is fast, muscles tight, and heart rate elevated, the system assumes something is wrong.

So we start here:

Slow, steady breathing

Releasing muscle tension

Creating moments where the body is clearly not under threat

This works through the

autonomic nervous system

Over time, the signal changes from “be ready” to “you can stand down.”

2. Repeat Safety, Not Intensity

This system learns through repetition, not force.

Short, consistent exposures to calm states matter more than pushing yourself.

Brief resets during the day

Predictable routines

Less unnecessary stimulation

You are not proving strength.

You are building stability.

3. Lower the Overall Load

If your system is overwhelmed, it will react faster.

So part of this work is reducing what it has to manage:

Consistent sleep

Stable nutrition and blood sugar

Pacing activity instead of pushing through crashes

Reducing inflammatory and environmental stressors

When the load drops, reactivity drops.

4. Create Small Wins in Real Time

You are not trying to stop reactions completely.

You are trying to shift them:

React, but recover faster

Notice it sooner

Bring intensity down slightly

This is how the

limbic system

starts to relearn.

Not through perfection, but through pattern change.

5. Build the Gap

At first, there is no space between trigger and reaction.

Then gradually:

A pause appears

Awareness comes earlier

Choice becomes possible

That is when the

prefrontal cortex

can finally engage.

What This Feels Like Over Time

Early:

“I react, then realize it”

Middle:

“I react, but I catch it sooner”

Later:

“I feel it starting, and I can shift it”

Bottom Line

You are not overreacting.

Your brain is reacting faster than your thinking mind can keep up.

You are not trying to control the reaction.

You are changing the conditions that create it.

Do that consistently, and the system slows down enough

for control to come back online.

-Dr. Sult