How Do You Make or Maintain Friends? Put in the Time.

Friendship takes time. A new study shows exactly just how much time, but also reminds us why it's worth it. These answers come from a newly published report (link is external) in the Journal of Social and Personal Relationships by Jeffrey Hall (link is external), a professor of communications studies at the University of Kansas. Hall was motivated in part by the work of evolutionary psychologist Robin Dunbar (link is external) of the University of Oxford who theorizes (link is external) that there are layers of friendship—e.g., acquaintances, casual friends, friends and good friends—and that there are cognitive limits to the number of people that we can accommodate in any one layer.


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