Fight, Flight, Freeze, Fawn: Use Stress Responses to Strengthen Your Scenes

Today’s post is by registered nurse and developmental editor Sarah Brinley.

Writers know how to raise the stakes in a story: introduce a threat, complicate a goal, shorten a timeline. The external pressure grows, but the character often doesn’t. High-stakes scenes feel empty because writers turn to plot mechanics and forget to explore interiority.

As a nurse, I’ve watched people respond to crisis in ways that are messy, contradictory, and human. No two reactions look the same, and none of them resemble the neat “adrenaline surge” we often see in fiction. When you understand stress responses as learned survival strategies, you can turn every high-stakes scene into character development on the page.

This post walks you through the four major stress responses—fight, flight, freeze, fawn—and shows you how to use them to deepen your scenes and reveal your character’s emotional architecture.

The nervous system is a character in every high-stakes scene

Writers often treat stress as an emotion—panic, fear, anxiety. But those are just labels for deeper physiological shifts.

When the brain senses danger (physical, emotional, social), the body responds automatically:

• Focus tightens onto one or two details, blocking out everything else
• Hands lose their usual steadiness
• Voices shift tone without warning
• Thoughts are sluggish or rapid-fire, making it hard to think
• The body slips into its familiar survival mode before you’ve had time to choose how to react

A stress response creates behavior that is predictable, character-driven, and highly specific to a person’s history. Instead of writing generic beats (“her heart raced”), you can write action, choice, and micro-tension that could only belong to your character.

The four stress responses

Everyone is familiar with the term “fight or flight” but there are actually four different stress responses: fight, flight, freeze, and fawn. These aren’t personality traits, but trained instincts. They reveal what your character has learned long before page one and how they respond to dangerous situations.

Below, you’ll see each response, the behavior, and how to use it to strengthen your story.

1. Fight

Fight doesn’t have to be literal aggression. At its core, it’s a drive toward agency and control.

Imagine your character is a nurse. Their patient complains of chest pain. In a fight response, your character’s focus sharpens and they act. They seize control of the situation because losing control feels dangerous. They ask rapid-fire questions. They assess. They call for help. Their body says: do something.

On the page, fight-responders:

• Cut people off mid-sentence as urgency overrides tact
• Push for answers before anyone is ready to give them
• Escalate conflict to get control of the moment
• Voice the truth everyone else is trying to sidestep
• Move first and think later, convinced action will keep them safe

What it adds to the scene: A fight response adds propulsion. Even if the character is wrong, they drive the scene forward. Tension spikes. Dialogue sharpens. The story moves because this character refuses stillness.

2. Flight

Flight is self-preservation, though it’s often mislabelled as cowardice. It can be physical or emotional.

Returning to our character-as-a-nurse example, a flight responder would hear the words “chest pain” and immediately move—out the door, towards colleagues, away from responsibility. They look to others to take charge. Their instinct is to create distance from the pressure.

On the page, flight-responders:

• Create distance—physically or emotionally—before they’ve fully processed what’s happening
• Deflect conversations the moment they become charged
• Busy themselves with tasks to avoid the pressure in the room
• Drop eye contact to retreat inward
• Change the subject to escape the moment

What it adds to the scene: Flight redirects the scene. It creates motion, avoidance, and tension through displacement. The reader feels the character veer off-course literally or emotionally.

3. Freeze

Freeze is the body going offline. It looks passive, but it’s overwhelm so intense you shut down.

In the chest-pain example, a freeze responder stops. Their mind goes blank. Their attention narrows to one sensory anchor—a sound, a color, a texture—or their brain feels foggy. They know they need to act, but they can’t get their body to cooperate, and the disconnect frightens them.

On the page, freeze-responders:

• Go still or silent as their system overloads
• Lock onto a single sensory detail as the world narrows
• Feel detached from their own body or responses
• Struggle to form words even when they’re desperate to speak

What it adds to the scene: A freeze response stretches time. It creates intimacy between the reader and character because small sensory details become hyper-visible. Stillness becomes its own source of tension. A small warning: this response is harder to write because it can slip into passivity if you’re not careful.

4. Fawn

This is the stress response that’s the least known—and most misunderstood. It’s learned caretaking where the instinct is to soothe, placate, or smooth conflict as a way to stay safe.

In our chest-pain example, a fawn responder slips into over-soothing. Instead of moving quickly into assessment, their fear pulls them toward caretaking instead of action. If a doctor yelled at our nurse character, they’d apologize instantly and absorb blame whether or not it belongs to them.

On the page, fawn-responders:

• Soften their voice or body language to ease the moment
• Smooth over conflict before it can ignite
• Take responsibility for emotions or mistakes that aren’t theirs
• Placate the person who holds power in the scene
• Protect the person whose approval—or temper—they fear losing

What it adds to the scene: Fawn reveals vulnerability, power imbalance, and deeply ingrained emotional habits. It adds subtext and tension to a situation.

How to identify your character’s stress response

Survival instinct isn’t random. It comes from family dynamics, past experiences, social roles, and culture. When you know how your character learned to stay safe, you know how they’ll behave when the pressure hits.

A few questions to explore:

• What did safety look like in your character’s childhood home?
• How did conflict play out, and who did they learn to be during it?
• What past trauma or shame shapes their instinct now?
• What social role do they default to—leader, caretaker, outsider?
• How does culture shape their expectations of themselves?

It’s also important to remember that people don’t respond the same way in every crisis. If a character is having an allergic reaction, how would your protagonist react? What if, instead of an allergic reaction, this character was shot, and no one knows where the shooter is—does your protagonist have the same response? Allergic reactions are only dangerous to the affected person where a shooter at large is a danger to everyone.

Taking your scene to the next level

Integrating stress responses isn’t just about realism. It adds interiority and depth to high-stakes scenes where external events mirror what’s happening to your character internally. Characters are the reader’s doorway into your story and adding interiority strengthens your reader’s connection to your character.

Here’s how you can build more depth and tension:

• Show character growth by changing your character’s stress response. They’re tired of being seen as a coward and decide to stay and fight (but show the internal conflict as they fight their natural response)
• Add friction by giving each character in the scene a different instinct under pressure
• Subvert reader expectations by giving a character an unexpected reaction. A confident leader could have a flight or freeze response

Stress responses reveal the parts of your character that don’t surface in calm moments—the instincts shaped long before the story begins. They let you weave backstory into a scene without slowing it down and create a deeper connection between the reader and the person on the page. When these instincts shape your high-stakes moments, the scene stops feeling generic and starts feeling human. That’s when the truth emerges: why your protagonist fights, flees, freezes, or fawns… and what it will cost them to change.

Sarah Brinley

Sarah Brinley is a fiction developmental editor who helps writers strengthen story structure, deepen character, and clarify their drafts. As a registered nurse, she brings a steady, empathetic approach to the editorial process and a respect for the vulnerability of creative work. Outside of editing, you can find her in the mountains or exploring medieval castles. Find her on Instagram at @wildflowerandmaineditorial or at wildflowerandmaineditorial.com.