This is probably the most difficult yet most simple thing at the same time - you have to get use to the situation where you speak alright. For me it was the tutoring/teaching experience I had, that boosted me up. After some time I realised that I "practiced" a lot of not-stuttering while doing the thing I enjoyed, and that is the key. After that you don't have the feelings that you'll not be able to talk. I also found real passion in talking as itself (but that's because I am naturally more talkative and out-going - even considering my speech problems) and communicating people which again helped me a lot. As I wrote in previous comment - the most important thing is to find the passion you have (or hobby or whatever) that will make talking enjoyable for you, after that you're just motivating yourself. The worst thing that held me down was that I hated the speech practicing (practicing vowels, reading etc.) and it was not natural to me. That's why I built negative relationship to practicing speech and to any therapy whatsoever. I was very lucky that I found the way that I am able to do that naturally in form of something that I enjoy (and even make money out of it :) ). I am not saying that from time to time (after some negative emotions etc.) I don't ocasionally experience the feeling of not able to speak again, but I can manage it now - because of the experience from tutoring and because I practiced it.