Anyone who makes a goal that is inaccessible is likely to fail and feel worse. If you are already having hard blocks on your name, it seems unlikely that you'll just "loosen up and stop thinking about it". I have some better ideas. Hard blocks are definitely worse than repetitions - it's what occurs when fear takes over. It is very confusing to listeners. And it perpetuates the self-belief of fear. ​ Do the voluntary stuttering! It's terrifying! But it works. This is what I do: think of a topic of interest to you that has a store that you can call. Imagine you have a goal of getting a new high end stereo system, for example. Prepare a few scenarios. Plan your voluntary stutter on a word that you have no problem with. Leave out "D's at first. Go to google on your phone, zoom to place that's far enough away for your comfort (you'll never see the person who you'll be talking to), search for the stores. Press "call". "Hello, I am looking to get a stereo for my new yacht. W-w-what brands would you recommend? After they laugh hysterically at you and mock you to their colleagues, make a point to give a relatively lengthy appreciation for their time. DO IT SLOWLY AND ENUNCIATE. After you get more comfortable, stand in front of a mirror. Maintain eye contact with yourself. Listen to a podcast episode on Tim Mackesey Podcast (SLP)- Oct 9, 2020 with Dr. Lee Reeves, DVM. They are both stutterers.