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Ethan Fialkow'a Blog —
Get Unstuck. Own Your Mind.

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Why Your Mitochondria Are A Founder’s Hidden Lever

  • Hardware & Health
If you've been operating for a while and you've noticed that your decision quality has degraded, your focus has gotten harder to maintain, your emotional regulation has slipped, or your judgment in the late afternoon is measurably worse than it was at 9 AM — the conversation you need to have isn't about productivity. It's about the cellular machinery that produces the energy your brain runs on.

Here's why mitochondrial function is one of the most under-discussed levers in operator performance — and where to go for the full technical case.
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How to Own Your Emotions Instead Of Being Operated By Them

  • Emotions & Nervous System
You snap at your team in a way that doesn't match the situation. You make a strategic decision while activated and regret it the next morning. You feel a wave of fatigue right before a high-stakes meeting and don't know whether your body is telling you something important or sabotaging you. For most founders, emotions get treated as noise to suppress, identity to indulge, or distractions from the real work. All three are wrong.

Here's how to read your emotions as the operating data they actually are — and use them as the founder advantage almost no one develops.
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Why Most Personal Development Keeps You Stuck (And The Forgotten Alternative)

  • Beliefs & Values
There's a reason most personal development doesn't produce different operators. The dominant model — underneath therapy, self-help, mindset content, and most coaching — was built around the wrong question: "What happened to you that made you this way?" The right question: "Who are you trying to become and what's in the way?"

Here's the forgotten alternative that treats founders like builders, not patients.
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Why Critical Thinking Isn’t Enough Without Metacognition

  • Decision Making
You spent hours analyzing a major decision. Spreadsheets, pros-and-cons, advisor calls. You used every critical thinking tool you have. Then, weeks later, you realized you weren't actually evaluating the decision. You were building an elaborate case for the option you'd already chosen subconsciously before the research started.

Here's why critical thinking alone produces sophisticated rationalization — and the second-order skill that makes it actually work.
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The 20 Regrets Founders Carry (And The Patterns Underneath Them)

  • How The Mind Works
Regret is the most common thing founders won't talk about publicly. The hire they should have fired sooner. The partnership they ignored red flags to enter. The years they spent grinding on the wrong problem. Most regret advice tells you to avoid it. That's hollow. You will have regrets. The question is what you do with them when they arrive.

Here are the 20 regrets founders most commonly carry — and the OS patterns underneath them.
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How Your Expectations Physically Shape What Happens Next

  • Beliefs & Values
You walk into the pitch expecting it to go badly. Your heart is racing before you sit down. Your voice catches. The investor's neutral expression registers as disapproval. You walk out and tell yourself you were right. What you don't know: your brain made it go badly before the meeting started.

Here's how your expectations physically shape what happens next — and how to operate the mechanism on purpose.
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Why Your Brain Resists Changing Beliefs (Even When You’re Wrong)

  • Beliefs & Values
Someone presents you with data that contradicts a belief you hold. Solid data. A study. A track record. And instead of saying "you're right, I should update my thinking," your chest tightens, your face gets hot, and you feel an almost physical urge to find any reason — any reason at all — that the new information is wrong.

Here's why your brain experiences belief change as injury — and how to update faster than the founders you're competing with.
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Why Your Brain Makes Irrational Decisions (And Why It’s a Feature)

  • Decision Making
You make a snap judgment about a candidate before they finish their first sentence. You go with your gut on a pivot you can't fully explain. You pick the "good enough" option for a major decision because the search for the perfect one is exhausting. If you've been told good decisions require pure rationality, every one of these moves is a failure. That story is wrong.

Here's why your brain makes irrational decisions on purpose — and how to operate the system instead of fighting it.
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Why You Can’t Trust Your Own Thoughts (And What To Do About It)

  • How The Mind Works
Most of what you think is true isn't a fact — it's a suggestion. Your subconscious is constantly pushing beliefs, intuitions, and pre-formed conclusions up to your conscious mind, which mostly accepts them, dresses them up in language, and presents them back to you as careful thinking. Then you make decisions from that. Hires. Pricing. Partnerships. And wonder later why something you were so sure about turned out so wrong.

Here's why you can't fully trust your own thoughts — and the discipline operators build to make decisions without being run by patterns they can't see.This is the owner's manual you never got — the three-layer map of how your mind really runs, and how to stop fighting it.
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How Your Brain Actually Works (And Why You Were Never Taught)

  • How The Mind Works
Ever feel like your brain has a mind of its own? You sit down to do focused work and twenty minutes later you're three tabs deep into something unrelated. You promise yourself you won't get reactive in a hard conversation, then watch yourself get reactive anyway. It's not just you — it's how your brain is actually wired. And nobody ever sat you down and walked you through how the system actually operates.

This is the owner's manual you never got — the three-layer map of how your mind really runs, and how to stop fighting it.
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Why Founders Can’t Quit Their Business: The Neuroscience Of Staying Stuck

  • The Founder's Mind
It's 9:47 PM on a Tuesday and you're staring at the P&L for the third hour in a row. The numbers haven't changed in two quarters. The hum in your gut hasn't changed either. But tomorrow you'll show up and tell yourself the same thing you've told yourself for two years: one more quarter.

The reason you can't quit your business has almost nothing to do with the business — and everything to do with the operating system running underneath you.
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