Tool · See the room
Name the five people you spend the most time with, then mark who does what. Including you.
Habits travel. Obesity, happiness, smoking, drinking, divorce and loneliness all move through social networks in the same structural way — outward from person to person, decaying with each step, reaching people you have never met.
This maps the part of it you can see.
Your five
Mark everyone it is true of
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