We just walked through the layered cognitive model: raw perception, rapid affective appraisal, narrative stabilization, and then the long, stubborn lag before updating. The conclusion was uncomfortable but measured: your model of a person is probably out of date if you haven’t interacted recently.

Now let us drive that conclusion off a cliff – for the sheer pleasure of seeing where it lands.

If your mental model of the world is older than six months, it is very likely dangerously wrong.

Not “might be.” Not “possibly.” Likely. Let me prove it by example.

A Partial List of Worlds That No Longer Exist

• The pre‑Hormuz world – Before late February 2026, energy flowed freely. A globalized just‑in‑time economy hummed. Oil at $75. Natural gas cheap. That world is gone. It is not coming back. Anyone whose energy strategy relies on that world is a passenger on the Titanic complimenting the hors d’oeuvres.
• The pre‑Gaza world – Before October 7, 2023, the Middle East had a certain frozen stability. The Abraham Accords were the story. Now? Regional war, Red Sea shipping attacks, and a completely redrawn map of acceptable risk. Anyone who thinks “Israel‑Palestine is a frozen conflict” missed the memo by about thirty months.
• The pre‑Andrew Tate world – Before 2022, the concept of a hyper‑toxic, algorithm‑gaming, misogynist influencer shaping the worldview of millions of teenage boys was a niche concern. Now? He is a template. The manosphere is mainstream. Anyone who thinks online radicalization works the way it did in 2019 is living in a museum.
• The pre‑Ukraine world – Before February 24, 2022, Europeans believed that large‑scale conventional warfare on the continent was impossible. German gas came from Russian pipes. Finland and Sweden were non‑aligned. That world is as distant as the Austro‑Hungarian Empire. Anyone who still thinks “Russia is a normal trading partner” is not just wrong – they are historically illiterate.
• The pre‑COVID world – Before March 2020, remote work was a fringe perk. Masks on a subway were weird. The idea of a global supply chain snapping overnight was a movie plot. Now? Hybrid work is standard. Supply chains are being reshored. Anyone who still thinks “office work will go back to normal” is waiting for Godot.
• The pre‑#MeToo world – Before October 2017, Harvey Weinstein was a powerful producer. The phrase “believe women” was controversial. Now? The entire architecture of workplace sexual harassment has been re‑engineered. Anyone who still thinks “that stuff is just gossip” is a walking liability.
• The pre‑9/11 world – Before September 11, 2001, you could walk an airport gate without taking off your shoes. The TSA did not exist. The idea of a global war on terror was inconceivable. That world is so far gone that you have to explain it to anyone under thirty as if it were the Bronze Age Collapse.

The Time Machine Test

Imagine someone buzzed from late 1999 – say, November 1999, when the biggest worry was Y2K and the hottest band was the Backstreet Boys – suddenly dropped into today.

They would not be surprised. They would be catatonic.

• No landlines. Everyone carries a glass rectangle that accesses all human knowledge and also shows them videos of cats.
• No smoking indoors. No phone books. No Blockbuster.
• A black man was president. Then a reality TV host. Then an old man. Then a convicted felon? (And they would have to learn what a “convicted felon” even means in this context.)
• The Soviet Union has been gone for decades, but Russia invaded Ukraine and Europe is rearming.
• September 11th, the financial crash, a pandemic, and a new cold war with China – none of that happened in their mental model.

Their brain would do exactly what our model predicts: raw shock, rapid affective appraisal (terror), a desperate narrative construction (“this must be a movie set”), temporary stabilization (“I’ll just go home and wake up”), and then a long, painful, incomplete updating process that would take years.

The Absurdum Isn’t Absurd

Here is the uncomfortable truth. We are all that time traveler. Not from 1999, but from six months ago. From January 2026. Before Hormuz closed. Before the energy crisis hit. Before your neighbor quietly bought a battery.

The world changes faster than the human mind updates. That is the cognitive‑social law. The six‑month rule is not a literal deadline – it is a provocation. It forces you to ask:

What have I assumed is stable that has already shifted?

• Your job security?
• Your energy supply?
• Your geopolitical baseline?
• Your mental model of your partner, your boss, your political opponents?

If you cannot answer that question with specific, recent data, then your mental model is almost certainly out of date.

The Practical Takeaway (Such as It Is)

You cannot update everything. The world is too fast. But you can do three things:

1. Flag high‑stakes models – Your energy plan, your career assumptions, your family relationships. Those are worth the effort of refreshing.
2. Assume obsolescence – Treat any model older than three months as a hypothesis, not a fact. Especially if the model says “everything is fine.”
3. Seek disconfirming evidence aggressively – Do not ask “Is this still true?” Ask “What would have to happen for this to be false?” And then check if that thing happened.

The time traveler from 1999 could not have predicted 9/11, the financial crisis, or COVID. But they could have updated faster than they did. So can we.

The six‑month rule is absurd. It is also less absurd than walking into a closed strait with an open mind from 2025.