Your brain is lying to you. 100 times a day.
100 cognitive biases decoded — understand why you make the decisions you do.
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The Problem
You think you are rational. You are not. Neither is anyone else. Every day your brain takes shortcuts that cost you money, relationships, and opportunities — and you will never catch them unless you know what to look for.
What Is Inside
6 of the 100 biases — a preview of what awaits.
Confirmation Bias
Why you only see evidence that agrees with you and filter out everything else.
Sunk Cost Fallacy
Why you keep throwing good money, time, and energy after bad.
Loss Aversion
Why losing $100 hurts twice as much as gaining $100 feels good.
Planning Fallacy
Why every project takes twice as long as you think — every time.
Dunning-Kruger Effect
Why the least skilled people are often the most confident.
Anchoring
Why the first number you see shapes every decision that follows.
+ 94 more biases covering money, memory, relationships, politics, and more.
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