Tech Insider
selfie of yale studnets at game
The author, middle, worries he didn't make enough friends in college.
Tech Insider
Rachel craft and her friend
Rachel Craft, left, worried about losing work friends when she quit, but they became closer instead.
Tech Insider : Economy
Man surrounded by fragmented and cracked geometric shapes, each containing people inside
Casual friendships are key to our emotional lives, but these "fringe friends" are slowly disappearing.

Nikol Moses felt the itch to head somewhere new.

Tech Insider
Mid-century homes with palm trees in front of them and a mountain range behind them in Palm Springs, California.
Shelly Karpaty says she recently moved to Palm Springs, California, where most people are retired.