The fear is the worst of it. What helps me is to train hierarchically.. overcome your fear by going into situations that make you feel uncomfortable, but are not a huge burden.. For me that is currently going to the bakery and ordering some bread. I try to do that every other morning. And it’s still scary and I often stutter. Sometimes even quite bad. But it has gotten better. With speech therapy you will learn techniques. These will have to be trained hierarchically too.