Discomfort Is a Signal,
Not a Warning

By Chris Sund · Updated August 2026

Your brain reads resistance as danger. Learning to read it correctly changes what you are willing to walk toward.

A few years ago I left a stable leadership role at a company I loved to help run a startup. From the outside it did not make much sense. I had security, a steady income, and a team I genuinely enjoyed working with. The company was a well-oiled machine with systems, structure, and support already built.

What I was walking into had none of that. No real systems, no playbook, and even the most basic processes still had to be made from scratch.

To become part of it, I put a significant amount of my own money in to buy shares. About a year later, when the company needed more capital to keep going, I put in more. By then I had drained a large part of my savings and pulled money out of retirement. My name was on the office lease, which meant if the whole thing came apart I was personally responsible for a piece of it.

What kept me up was not the money. It was knowing that if it failed, it would not just land on me. It would land on my wife and my kids and the stability I had spent years building for them. This was not going to be a character-building setback I would talk about later. It would have had real consequences for the people I care about most.

In those early days I was doing everything. HR, compliance, sales, marketing, whatever needed to happen that day. There were stretches where I felt completely out of my depth, where I did not have the answer and had to go ask for help in areas I had never touched before.

Every part of me was reading that as a warning. It was not. It was a signal.

Your body cannot tell the difference

Here is the mechanical problem underneath all of this. Your brain is built for safety, not for growth. For almost all of human history, staying safe meant staying alive, and avoiding risk meant avoiding death. That system is still running. The threats just changed.

Now it fires at discomfort, judgment, uncertainty, and the possibility of being seen failing. It uses the same alarm it used to use for actual danger, which means the feeling arrives with no label attached. Your nervous system does not distinguish between this could hurt you and this could change you. It just says stop.

So most people treat that feeling as information about the decision, when it is really just information about the edge. It tells you that you have reached the end of what is familiar. It says nothing at all about whether you should keep going.

Think about stepping into cold water. Everything in you tightens and every instinct says get out. But if you stay in a little longer, something shifts. Your body adjusts and the discomfort fades.

Nothing about the water changed. You did.

Anyone who has trained knows this in their body already. Muscle does not grow from lifting what is comfortable. It grows from a load slightly heavier than what you can currently handle, followed by recovery. The stress is not the injury, it is the stimulus. Take the stress away and nothing adapts. Nobody in a gym mistakes the burn for a signal to go home, but almost everyone mistakes the equivalent feeling at work or in a relationship for exactly that.

What the research shows

Cognitive psychologists Robert and Elizabeth Bjork spent decades on a finding they named desirable difficulties. Study conditions that feel smooth and productive tend to produce the weakest long-term retention, while conditions that feel harder and slower produce the strongest. Their key distinction is between performance, meaning how well things are going right now, and learning, meaning what actually sticks. The two can move in opposite directions. Which means the feeling of struggling is frequently not evidence that something is going wrong. It is evidence that something is being built. More from the Bjork Learning and Forgetting Lab at UCLA.

That distinction is worth sitting with, because it explains something most people experience and misread constantly. The stretch where you feel slow and clumsy and behind is very often the stretch where the actual gain is happening. It just does not feel like it from the inside, because progress and the sensation of progress are two different things.

Nothing about the
water changed.
You did.

The four stages you are actually moving through

The more I paid attention to this, the more I noticed it was not random. Whether I was starting a business, stepping into a leadership challenge, or taking on something bigger than I felt ready for, I kept moving through the same four stages. Once I could name them, the whole thing got less intimidating, because I could tell where I was instead of just feeling bad.

01

Comfort

Life feels familiar and predictable. You know what you are doing, your routines are set, and there is very little resistance. Nothing is wrong here. It is just where most people stay, because it feels safe.

02

Fear

The second you step into something uncertain, your mind pushes back. What if it does not work. What if I embarrass myself. What if I am not ready. This is where most people stop, and they almost never call it fear. They call it being practical.

03

Learning

The messy part. You figure things out in real time, ask questions, make mistakes, and adjust. Nothing is clean and nothing is impressive. This is also the only place confidence gets manufactured.

04

Growth

The thing that used to be hard is now something you do. Your comfort zone did not disappear. It expanded, and it will hold the next challenge better than it held this one.

Almost everyone who gets stuck is stuck in stage two, and the reason is that fear rarely announces itself as fear. It arrives sounding sensible. Maybe now is not the right time. Maybe I need more experience first. Maybe I should not risk what I already have. Those are not lies exactly. They are just the same sentence wearing a suit.

It shows up in much smaller places too

You do not need a startup to run into this. You are in a meeting and you have something worth saying. Your heart picks up, you start editing it in your head, you wonder how it will land, and then someone else says a version of it and the moment is gone. You tell yourself you will speak up next time.

Nothing dramatic happened. But something did. You did not hit your limit. You hit the point where growth started asking for something.

I ran into a different version of this when I stopped drinking. What I expected to be a straightforward decision turned uncomfortable in ways I had not planned for. Dinners and social events felt different because having a drink had just been part of the routine. People asked questions. I felt awkward in rooms that had always been easy.

The longer I stayed in that discomfort, the clearer it got that it was never really about alcohol. It was about learning to be comfortable as myself with nothing in my hand to do it for me. What I actually valued about those nights was the people and the conversations. That took a while to feel true rather than just sound true.

The discomfort eventually went away, and again, not because anything about the situations changed.

When discomfort really is a warning

I want to be careful here, because the version of this idea that gets passed around usually skips this part, and skipping it is how people talk themselves into staying somewhere genuinely bad.

Not all difficulty is productive. Even the Bjorks are explicit that difficulty is only desirable when it is the right kind. Struggling with material far beyond you is not learning, it is just struggling. The same is true in life.

The distinction I use is fairly simple. Growth discomfort has a direction to it. You are getting better at something, even slowly, and the hard part is connected to something you actually chose. Warning discomfort does not improve with reps. It comes with a pattern of dread rather than nerves, it tends to touch your health and your relationships rather than just your calendar, and it usually gets worse instead of better the longer you stay.

Nerves before you speak are one thing. Dread every Sunday night for two years is a different thing. Learning a job you are underqualified for is one thing. Being treated badly in it is another. If the honest answer is that nothing is being built and nothing is improving, that is not a ceiling. That is a signal to leave, and leaving is the courageous option in that case.

What I actually got out of the startup years

Looking back, the hardest part of that decision was that it made me look straight at something most people spend their whole lives chasing, which is security.

We go after money, titles, status, and certainty because somewhere underneath it is the belief that if we collect enough, we will finally reach a place where we are not vulnerable anymore. Life keeps teaching the same lesson anyway. No amount of money guarantees tomorrow. No title removes uncertainty. No plan controls what actually happens next.

Complete security is largely an illusion. That sounds bleak for about ten seconds and then it becomes freeing, because if certainty was never on the table, the goal was never to eliminate uncertainty. The goal is to become someone who can keep moving, learning, and adapting while it is present.

Real security is not knowing what will happen. It is trusting yourself to handle what does.

Four things to do with it

How to work with the signal instead of obeying it

  1. Name the stage out loud. When the resistance shows up, say which of the four you are in. Most of the time you will find you are in fear and calling it strategy. Naming it removes most of its authority.
  2. Run the direction test. Ask whether this is getting better with reps or worse. Growth discomfort trends toward improvement. Warning discomfort trends toward damage. Be honest about which one you are actually looking at.
  3. Stay in for one extra beat. Not forever. Just longer than the moment you would normally step back. One more question in the meeting. One more week before you decide. That is where the adjustment happens.
  4. Write down what it asked of you. After you get through something hard, note what it actually required. You are building a personal record of what you can handle, and that record is what you will reach for the next time your body says stop.

The tension you feel at the edge is not proof you made the wrong call. Most of the time it is the most reliable evidence you have that you are standing somewhere your current self has not been yet.

The ceiling is real. It just is not the roof.

Your Takeaway

Your nervous system uses the same alarm for danger and for growth, so the feeling arrives without a label on it. Resistance tells you where the edge is, not whether to stop. Name which stage you are in, test whether the difficulty is improving you or damaging you, and when it is the productive kind, stay in one beat longer than you want to.

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Chris Sund
Chris Sund
Keynote speaker, Maxwell Leadership Certified Coach, and President and COO of Uniti Med, GQR Healthcare, and Nebula. Author of You Are Capable of More (Aug 13, 2026).
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