There is truth in the claim that people obsessed with self-improvement are often insecure, but the research aims the blame more precisely: it is not wanting to grow that gives it away, it is being unable to rest once you have

There is a certain satisfaction in the claim that people obsessed with self-improvement are secretly insecure. It lets anyone with a full bookshelf of self-help off the hook, and quietly takes the wind out of the person with the color-coded morning routine. L…