Where it turns into mania, in my experience, is when you start doubling down repeatedly. If your good feeling comes from believing that you are making a huge ch

Where it turns into mania, in my experience, is when you start doubling down repeatedly. If your good feeling comes from believing that you are making a huge change in your life, you get anchored to the rate of change, and start needing bigger and bigger feelings to keep up. It's a kind of self-ponzi scheme - nothing has tangibly gotten better, all you have is the belief.