The Emily and Paul whom you see at the end of each scene (let’s call them Emily and Paul Two) are significantly more effective at their jobs than their counterparts at the start of each scene. But Emily and Paul Two are not just better at managing their email or running meetings. They are also less stressed, have more fun, have a better relationship with their kids, and even appear to have a better sex life. People like this tend be healthier, contribute more to their communities, and even have longer lives.

There was one big difference between the two sets of characters: Emily and Paul Two knew more about their own brains than their counterparts. They had a richer language for the subtle internal signals going on beneath the surface ...

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