Nervous System Field Guide · Soft Soil, Strong Body

Breathing:
The Gear Shift.

The one automatic system you can grab the wheel of.

Your heart, your hormones, your digestion — all automatic, none of them yours to touch. Your breathing is the exception: automatic until you decide otherwise. That makes it the fastest way to tell a stressed-out nervous system it's safe to stand down. This is where you test your breathing, learn to shift it down when you're running too hot, and build the drills that make the calm stick.

Created by Dr. Justus Kauffman · Founder of Auxoma

Your daily minimum

Two habits hold this pillar

When the nervous system isn't your main focus this season, this is all it takes to keep it from sliding backward.

By dayMax expansile breathingTrain the full range — in and out — so your system keeps its options.
At nightBox breathingA few rounds before bed to pull the system down into rest-and-digest.

Stray dog, or house cat?

Your nervous system runs in two gears. Most people are stuck in the wrong one — and they don't calm down with willpower. The system doesn't respond to logic. It responds to inputs. Breathing is the most powerful input you can control.

Fight-or-flight — the stray dogHead on a swivel, hackles up, running on adrenaline. Great for real danger. Miserable as a way to live — and where most people park all day.
Rest-and-digest — the house catSprawled in a sunbeam, fully at ease. The gear where your body actually repairs, digests, and recovers.

And here's the part almost nobody knows: that urge to breathe when you hold your breath isn't your body running out of oxygen — it's carbon dioxide building up. CO₂ is the alarm. Train your tolerance to it and you widen the gap between "uncomfortable" and "panic." You get calmer, and you actually deliver more oxygen where it's needed.

You don't white-knuckle your way to calm. You shift your breathing down — and the nervous system shifts with it.

The daily tool

Box breathing pacer

Equal counts: breathe in, hold, breathe out, hold. Set the count to whatever you can hold a steady, controlled rhythm at — start at 4. The goal isn't to go the longest; it's consistent control. As your control grows, the count grows with it. Conscious practice now so the calm shows up in your unconscious life later.

Ready
4
Cycles completed: 0

How to do it: lying down, breathing only through your nose, following the ring. In as it grows, hold as it pauses, out as it shrinks, hold at the bottom. Range: 2 seconds (start) up to 8 (strong control).

Measure it

Two self-tests

You can't manage what you don't measure. These two tell you where your breathing actually stands — do them at rest, before you've worked out or caffeinated.

Breaths per minute

Sitting or lying at rest, tap once for every full breath (in + out). It'll count for 60 seconds.

0
Press start, then tap each breath

~10–14 = your target · <10 = very controlled (fine in practice) · 15+ = elevated, an over-breathing pattern to work on.

BOLT score

Body Oxygen Level Test — a breath-hold measure of your CO₂ tolerance and breathing control.

  1. Lie on your back, knees bent, feet on the floor.
  2. Take three normal breaths in and out through your nose.
  3. After the third exhale, pinch your nose and start.
  4. At the first real urge to breathe, stop — don't push it to the max.
0s
Start after your third exhale

20s = the goal · 30s+ = elite · 10–19s = below target, keep practicing · <10s = well below target, big opportunity.

The drills

Two lanes: calm down, or rev up

Breathing shifts you in both directions, and knowing which way to go is the whole skill. Most people, most of the time, need to come down — that's your daily maintenance. Only reach for the rev-up lane when your energy is genuinely low — never when you're already anxious or wired.

Which lane do you need right now?

🌙
Calm down Down-regulation · your daily go-to

Box breathing use the pacer above

Equal in–hold–out–hold, lying down, nose only. The steadier and longer you can hold the rhythm, the more control you've built. Your nightly minimum.

Birthday breathing

Almost everyone walks around too inhaled — over-inflated and stuck up in the chest. This resets that. Start by blowing out all the birthday candles — twice.

  • Big exhale through the mouth to start — empty all the way out, twice.
  • From there, pick your path: flow into box breathing, or into brace breathing.
  • Brace breathing: exhale fully to compress your core (draw ribs and pelvis toward each other), brace like you're about to cough or sneeze, then breathe in to drop the diaphragm and build pressure from the inside — a DNS-style brace.

Max expansile breathing daytime minimum

Train the full range so your system keeps its options. Same position — lying on your back — practice one of two ways:

  • Full, powerful inhales with relaxed, reflexive exhales, or
  • Full, powerful exhales with relaxed, reflexive inhales.

Concept from Andreo Spina, founder of Functional Range Conditioning.

Rev up Up-regulation · for coming up, not down

Power breathing ~30 sec

A fast alertness spike when you're flat and need to switch on — before a task or a workout.

  • Sit or stand tall. Take about 20 forceful, full breaths — actively push both the inhale and the exhale.
  • Return to normal breathing. One round is usually plenty.
Stop if you feel lightheaded — sit down and breathe normally.

Bellows breath 1–2 rounds

The classic energizer — a clean lift for the afternoon slump without reaching for caffeine.

  • Sit tall. Breathe in and out through your nose rapidly and evenly, equal force both ways, for about 15–20 breaths.
  • Return to a few normal breaths. Rest, then repeat once if you want.
Seated only. Stop if you feel dizzy.

Sniff breathing quick jolt

The gentlest of the five — the activating mirror of a calming sigh. Good anytime you want a small hit of alertness.

  • Two quick sniffs in through the nose — a big one, then a top-up — then a relaxed exhale out the mouth.
  • Repeat 5–10 times.

Physiological hyperventilation video · higher risk

Brief, deliberate over-breathing that ramps you up and sets up a breath-hold — the Wim Hof–style ramp from Chapter 6. This is a full session, not a quick pick-me-up, and it's the one most worth learning on video with a voice guiding the pace.

Seated or lying only. Never near water or while driving — it can make you black out. Stop the moment you feel faint, and skip it if any caution below applies to you.
▶ Practice with the guided video

Breath-hold after exhale video · higher risk

Empty-lung holds that build the CO₂ tolerance we covered in Chapter 6 — the direct way to widen the gap between "uncomfortable" and "panic."

  • After a normal exhale, pinch your nose and hold to a comfortable air hunger — the first real urge, not your max.
  • Release, breathe normally, and repeat a few rounds.
Seated or lying only. Never near water or while driving. First urge, not maximum. Stop if you feel dizzy.
▶ Practice with the guided video

⚠️ The one non-negotiable rule

  • Breath holds are done seated or lying down, somewhere safe — never in or near water, and never while driving. Pushing a hold in the wrong place can make you black out. Respect that one rule and this is one of the most powerful tools you own.
  • Feel dizzy, lightheaded, or tingly? Stop and breathe normally. That's your signal, not a badge.
  • Pregnant, or living with a heart condition, uncontrolled blood pressure, a seizure history, or a history of fainting? Talk to a professional before doing breath-hold or fast-breathing drills.
How it connects

Same loop, with breath

Maintenance holds this pillar steady while you work another. Make it your plot and the breath work gets loud.

01

Till

Run the BOLT and breaths-per-minute tests. Honest baseline.

02

Plot

Stuck in stray-dog mode? Make this your plot.

03

Maintain

Expansile by day, box breathing at night. The floor.

04

Votes

Every calm rep is a vote for a regulated system.

05

Re-assess

Re-test in 4–6 weeks — watch your BOLT climb.

Want to go deeper?

Full video walkthroughs of max expansile breathing and safe breath-hold / Wim Hof practice live in the Auxoma community — the pieces that are hard to learn from text alone. Here's where to keep going:

Follow on Skool → In Wichita? Book a free visit

Join the free Auxoma community for the breathing videos and coaching — with a low-cost membership when you want the full follow-along. Local to Wichita and stuck in a gear you can't shift out of? Come see our team.

You've got your hand on the gear shift — now use it.

This guide is educational and not a substitute for medical care. Breathing drills — especially breath holds and fast breathing — carry risk; do them safely as described, stop if you feel unwell, and check with a qualified professional if any of the cautions above apply to you.