Why the need to change?
My belief is if someone can run 4-5 balls regularly, they know how to aim, but may not have the proper practice program to identify their weakness, design a practice proper plan to improve.
No offense, but playing 2 years is meaningless. It is hours at the table that matter, not the calendar time.
More people would improve if they just knew how to practice properly. I see it everyday, those that just roll 9 balls on the table and hit away.
Seldom if ever, do I see anyone, at least where I play, do any real practice. Such as doing nothing but banks. Roll one ball on the table and bank it, one or more rails and do this for at least a hour.
Or practice kicks. And so on. They lack discipline to practice properly and getting lessons is not the same thing.
I recently went back to tight pockets tables. I just do single ball drills mostly right now. Meaning a set up one shot over and over again into the same pocket. Get tired of that shot move to another. I vary as much as I can about the shot,...speed, spin used and so on through the course of that particular pocket drill. Boring.......some think so and from the outside it would appear so. But for me, it's not. Every shot to the pocket, hit or miss, I learn something. I gain knowledge to use else where. Doing the same shot over and over helps to feel the difference between how I did each shot.
Change to just change is not always a good change.