I went from breathe to ‘mmm’ to words to slowly going to breathe to a very muted first sound of the word I was gonna to come in on, took a lot of practice. I felt really comfortable with how I had my stutter ‘managed’ from age 15 to around 36. Maybe I thought I had it beat. Regardless, never conince yourself it is gone forever. It’s a tough realization when you feel like a teen or preteen again trying to get sounds out