There are very few things I wish I had done earlier - after all, we're always executing or making decisions to the best of our abilities at a given time. When I got my Enneagram result from a typing interview, something changed in my brain - and eventually, in my life.
Cities, like relationships, often present similar fallacies. One common mistake we probably all did at least once when in a romantic relationship is falling in love with the *idea* of a person, rather than who they truly are.