I've been practicing this certain trick for over a year now. About three months ago, it finally started to click a little and then I really started keeping track of my progress.
Overall over the following next two months I noticed that I made continuous progress with the trick, completing x attempts in a half hour. I almost doubled my completion rate. Now, about two months later, I have suffered a setback and have lost all my progress and am back to pulling the trick with the same frequency as two months ago.
I am pretty depressed about it and it is really frustrating. I tried taking a break and starting again, but that did not work. How do I deal with this?