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You can make a good decision and still lose

Thinking in probabilities, separating process from outcome, and making cleaner calls when the future is unclear.

ByGraham Mann

One of the most annoying things about real life is that it gives bad feedback.

You can make a sloppy decision and get lucky. You can make a careful decision and still get punished. You can do almost everything right and still lose because the thing you could not see happened anyway.

That makes learning harder than it should be.

Poker players have a word for one version of this: resulting. You judge the quality of a decision by the quality of the outcome.

Win the hand, good play.

Lose the hand, bad play.

But that is not how probability works. Sometimes the 80% chance fails. Sometimes the reckless bet hits. If you learn the wrong lesson from either one, your future decisions get worse.

That is why Thinking in Bets has stayed with me.

Annie Duke's useful idea is that most decisions are bets against an uncertain future. You rarely have all the information. You never control all the variables. The best you can do is improve the process, assign probabilities honestly, and update when reality gives you new information.

I think about this a lot with building.

A landing page that fails does not automatically mean the idea is bad. It might mean the offer was unclear, the audience was wrong, the traffic was low intent, or the timing was off. A launch that works does not automatically mean the strategy was brilliant. It might mean you got a lucky distribution push.

The hard part is holding both truths at once.

Outcomes matter. You have to look at the scoreboard. But if you only look at the scoreboard, you can end up copying luck and abandoning good process too early.

The better question is usually: given what I knew at the time, was this a good bet?

Then: what did the result teach me that should change my next one?

Where in your life are you judging yourself by the outcome when you should be reviewing the decision process?
Hit reply and tell me. I read every response.

Have a great week!

Graham

๐Ÿ“š Book Notes

Thinking in Bets - Annie Duke

I called this one of the best and most applicable books on decision-making I had read.

The lesson I use most is separating decision quality from outcome quality.

That sounds simple, but it changes how you review almost everything. A bad outcome is not proof that you made a bad choice. A good outcome is not proof that your process was sound.

Duke's poker background makes the idea concrete because poker gives constant feedback, but not clean feedback. Life is similar, just slower and less honest.

The practical takeaway: write down what you believed before the result. Your memory will rewrite the story later if you let it.

๐Ÿ“– Article

Predicting the Future with Bayes' Theorem

This is a good plain-English version of Bayesian thinking.

The math matters less than the habit: start with a belief, assign some confidence to it, then update when new information arrives. Not overreacting to every new signal, and not clinging to your old view because changing your mind feels embarrassing.

That is probably the real skill. Not being certain. Being calibrated.

From the Blog

๐Ÿ“ Best Books for Clear Thinking and Better Decisions
Clear thinking does not guarantee perfect outcomes. It just reduces avoidable mistakes.

๐Ÿ“ What's actually true about AI data centers?
A practical example of better decision-making: slow down, separate claims, and ask better questions before deciding what you think.

๐Ÿ”— Things I Found Interesting

Second-Order Thinking (Farnam Street)
The simple question "and then what?" catches a surprising number of lazy decisions.

What Every Business Leader Needs to Know About Decision-Making Under Uncertainty (HEC Paris)
A useful framing: the first mistake is often not bad data, but misreading what kind of uncertainty you are dealing with.

Second-order thinking (Untools)
A cleaner, visual version of the same model for decisions where immediate consequences hide the real cost.

Can guided journaling improve productivity and self-awareness?
Writing by hand gives your thoughts a speed limit. That is useful when your first reaction is louder than your best judgment.

๐Ÿ“ฃ Quote

"Life is more like poker than chess." - Annie Duke

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Graham Mann

Graham Mann

Builder, product person, and lifelong learner. Writing from Lunenburg, Nova Scotia about software, systems, and the slow work of figuring out how to live well.

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