I think we all mostly have bad experiences, my worst one was in elementary school. I was just talking when I noticed some people laughing. I had no idea why, then one of them asked why I talked so weirdly, which I didn't understnd either, no one had ever laughed at me because of my stutter until this day. So yeah it turned out my stutter was the reason why they laughed, fortunately, the teacher made them stop. My "best" experience actually actively involved my stutter, I had to read a section of a book out loud where a character with a stutter was currently talking. Absolutely nailed it. Another actuallly great experience was in year 8 when I performed a self-written poem in front of like 50 people without any mistakes. I was quite proud of me considering I was stuttering pretty bad when I practiced it.