From what you described in the post, I think that man went well. But important to remember that one size does not fit all. I just like different speech therapy techniques does not work for every single person. I wish I could help you and tell you exactly what you need to do, but I'm saying that he was probably right about the fact that you like confidence, but not necessarily how you can cure that lack of confidence. Not to mention, it's really hard and being confident when all your life, your speech has defined you. Because that's how you get to know people, right? You talk to people. But people often overlook you, if not get annoyed with you. Then nobody wants to be around you. No one finds you interesting. It really sucks but that's how society operates. I know me, even though I try to be confident, it's just really hard to unlearn all of the negative stuff that has been drilled into my head all these years. I'm really trying hard to unlearn it though but it's a process.