Good luck! I would say I’m 95% of the way to beating that final boss. I’m 42 and didn’t really start trying until I was about 30. It takes intense mental focus. As much focus as you put into earning your degree or working out, you need to put that much or more into beating stuttering. You have to hate it with every fiber of your being until you are willing to do absolutely anything to get past it. Honestly I’ve let my focus lapse at times and that is why I believe I’m still not all the way there. Don’t let anyone tell you that you can’t beat stuttering because if it is what you truly desire you can do it.