Hey man, i'm severe like you. A few weeks ago I was on a bad cycle with me speech being a 9 or a 10. Right now things are a little better and its around a 7. I really think the key is learning not to fear your stutter. Not to feel that intense uncontrollable pressure that just comes out blustering. Im slowly trying to come around to this and trying to figure it out. I dont know if acceptance is the best way to do this to anti-avoidance. It's probably a combination of everything but i just choose to try to not focus on the block or getting the word out but instead focus on feeling ok to stutter. That way the struggle isnt as strong and it allows me to stutter through the word rather than hitting a wall.