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Why Ditching Your Friends Might Be the Only Way to Make New Habits Stick

Being surrounded by the wrong people can be the biggest obstacle to making lasting change

Years ago, I decided to turn myself into a science experiment and see how much I could improve my physical fitness in one year. I was spending hours a day at the gym, hired a trainer and a…



A publication from Medium on personal development.

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Karla Starr

Author x2, inc. Making Numbers Count (w/ Chip Heath). Behavioral science, cultural history, systems, numbers.