I'm happy for you for not letting it drag you down! If every stutterer would be like you stuttering might not even be a problem. The point about psychology is, if stuttering is mental problem, it's can get enormously hard to have that positive emotional strength not to let stuttering be a problem for us. At least that's how I feel. There's so many more than just stuttering that you need to recognize and work with in order to be ready to work on your stuttering. Those forces that produces stuttering are so ingrained in our subconsciousness that even placebo doesn't help, no matter that it helps with so many other disorders.