When to Throw Food Away — Expiry Date vs Best Before Date
"Best before" means quality — the food is usually fine after that date. "Use by" means safety — take that one seriously.
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Self-awareness
You can't change what you don't see. Self-awareness is the unglamorous skill of noticing your own patterns — what triggers you, what drains you, which stories you tell yourself. The advice here helps you observe yourself honestly without drowning in self-analysis.
You Overvalue What You Already Have
The endowment effect makes you overvalue what you own — ownership is not the same as worth.
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You Assume Others See the World the Way You Do
The false consensus effect makes you overestimate how many people share your views — ask instead of assuming.
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How the Question Is Asked Changes the Answer
The framing effect makes identical information feel different — notice who is framing the question and how.
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Not Every Gain Requires Someone Else's Loss
Zero-sum thinking limits you — in many situations, both sides can win if you look for it.
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A Charming Person Can Still Be Wrong
The halo effect makes us assume that likeable people are also right — separate charm from competence.
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Familiarity Feels Like Truth
Repetition makes claims feel true — but familiarity is not evidence.
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Strong Feelings Make Weak Evidence Feel Strong
High emotion lowers your evidence threshold — when certainty feels strongest, scrutiny matters most.
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Nobody Is Watching You as Closely as You Think
The spotlight effect makes you think everyone noticed — they almost certainly didn't.
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Bad News Is Stickier Than Good News
Negativity bias makes one bad thing outweigh many good ones — correct for it deliberately.
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"I Knew It All Along" Is Almost Always a Lie
Hindsight bias rewrites your memory — you didn't predict it, you just remember it that way.
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Don't Blame Character When the Situation Explains Everything
We blame others' character but excuse our own behavior by circumstances — the situation usually matters more.
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You Only See the Winners
Success stories hide the failures — always ask how many people tried the same thing and did not make it.
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Vivid Is Not the Same as Likely
Just because something is easy to remember does not mean it is likely to happen — check the actual odds.
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Happening Together Does Not Mean One Caused the Other
Two things happening together does not prove one causes the other — always look for hidden third factors.
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Knowing Something Makes It Hard to Imagine Not Knowing It
The curse of knowledge makes experts forget what confusion feels like — always start from the listener's level.
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"It Can't Happen Here" Is How It Happens Here
Normalcy bias makes stability feel permanent — prepare for disruption while things are still calm.
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Beware the Peak of False Confidence
If you feel like an expert after a short time learning something, you are probably at the peak of false confidence.
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