Let's say you make a life change or go through a rough time.  You work on it and it takes a week or a month.  You won't see the changes instantly.  You'll see them only in two ways, either through the next challenge that you deal with way better, or through comparing with yourself from months ago.  Life hands you tests and you get to try this time, or the next time.  Episode 43 of TGNA all up in the internet.