Close Social Environments:

"What kind of social environment have you built around yourself, and what does that environment make normal? If your five closest friends are curious, socially active, physically active, financially responsible, ambitious, or intellectually engaged, those things gradually become part of your everyday reference frame. The same applies in the opposite direction."

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“Show me the people closest to you, and I can tell you something about the world you inhabit.”

“What traits have become normal in my closest social circle?”