5 to Read: How to choose a fitness tracker + To get fit, take a breakTerrell JohnsonSep 13, 2019CommentShareShare “Play not only keeps us young but also maintains our perspective about the relative seriousness of things. Running is play, for even if we try hard to do well at it, it is a relief from everyday cares.” — Jim FixxThis post is for paying subscribersSubscribeAlready a paying subscriber? Sign in