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Fabrice Desmarescaux

Fabrice Desmarescaux

Fabrice Desmarescaux is a McKinsey partner and leader of Aberkyn, McKinsey's retreat-based leadership practice in Southeast Asia, and author of The Art of Retreats.

Aug 20, 2026

3:09
It's like, if I'm not striving, I'm lazy.
3:13
The first step, I believe, is self-awareness, is to realize that something has changed in you and perhaps you're no longer the person with all the answers.
3:21
We're very good at problem solving, finding patterns when we're in our 20s and 30s and perhaps early 40s because the brain works essentially on what psychologists call fluid intelligence which is really raw IQ you know raw horsepower I'm gonna crack that problem I'm gonna make this happen right and it's it's driven by the need for certainty once you reach the the second adulthood First of all, the brain that is driven by IQ, that fluid intelligence, peaks in our late 20s to mid 30s.
3:56
So it's a long decline, man.
3:59
And there's no fighting it, right? Suddenly you forget where you put your car keys and, you know, you met someone yesterday and you've forgotten their name, you know that.
4:08
That is the decline of fluid intelligence.
4:11
However, there's another form of intelligence that starts increasing with age and actually doesn't peak.

9 MINS LATER

13:39
But in fact, you've maybe got more influence

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