Over time, though, rethinking who you are appears to become mentally healthy—as long as you can tell a coherent story about how you got from past to present you.

There are three levels of change: outcome change, process change, and identity change. The most effective way to change your habits is to focus not on what you want to achieve, but on who you wish to become. Your identity emerges out of your habits. Every action is a vote for the type of person you wish to become. Becoming the best version of yours