The thought is not the problem. What you do with it for the next ten years is.
Most people who experience Imposter Thoughts find a way to manage them. They develop habits, build routines, and learn to function well despite the persistent background noise of self-doubt.
What they don’t realise is that managing the thought, day after day, year after year, has a cost. A significant one. And because it all works well enough to keep everything looking fine on the outside, that cost stays hidden until it becomes very hard to ignore.
Hidden Cognitive Strain is the name for that cost.
What it actually is.
Hidden Cognitive Strain is the invisible mental load carried by people who appear to be coping, or even excelling, but are internally overwhelmed, emotionally exhausted, or running on empty in a way they can’t fully explain.
It’s not a diagnosis. It’s not a clinical condition. It’s a lived experience, and it’s far more common than most people realise.
It doesn’t come from the doubt itself. It comes from everything done every day to make sure the doubt stays hidden. The monitoring. The over-preparing. Performing confidence when fear is the reality.
Over time that invisible work becomes a second job. One that never appears on a timesheet, never gets acknowledged, and never really stops.
The Hidden Loop.
Imposter Thoughts don’t just cause discomfort. They trigger a response. Not a conscious one. Over months and years, a set of behaviours quietly takes shape around the doubt. Not chosen, not designed, just gradually installed by a brain trying to keep you safe.
After a while those behaviours stop feeling like responses to fear. They start feeling like personality. You’re not someone who copes with doubt by overworking. You’re just someone who works hard. You’re not hiding to avoid scrutiny. You just prefer to keep your head down.
The loop runs automatically. The strain accumulates. And the behaviours that were built to protect you start to govern decisions in ways you don’t notice until someone points them out.
That’s the Hidden Loop. And the only place it can be interrupted is between the thought and the response.

What it costs in practice.
Hidden Cognitive Strain doesn’t announce itself. It shows up quietly, in patterns that are easy to mistake for personality traits or simply the reality of running a business.
Decisions that take longer than they should. Opportunities avoided because the timing never feels quite right. Pricing that consistently undervalues the work. A reluctance to seek advice or engage with supports because asking for help feels like confirming the doubt. Overcommitting because saying no feels too exposed. A tiredness that builds without an obvious source.
These aren’t business problems in isolation. They’re the commercial footprint of Hidden Cognitive Strain. And in a business owner or founder, they have a direct impact on growth, sustainability, and the ability to make clear decisions under pressure.
When the person running the business is carrying this level of invisible load, the business carries it too.
Sustainable business requires sustainable founders.
This is what The 78% Club is for.
Not to eliminate doubt. That's not what this is for. Imposter Thoughts are a normal part of working at the edge of your capability, which is exactly where most business owners spend most of their time.
The work is about seeing the pattern clearly, understanding what it’s costing, and building the capacity to make steadier decisions without burning through energy just to feel safe. When people understand what they've been carrying, and why, decisions that were being avoided become easier to make.
The work is about seeing the pattern clearly, understanding what it's costing, and making steadier decisions without burning through energy just to feel safe.