This subreddit is for people who stutter consistently but sometimes when someone stutters it could be when they are nervous or are just in a uncomfortable situation. With some people who have grown out of a stutter they only stutter when they get are in a uncomfortable or intense situation. For example in the Barack Obama speech for the death of John Lewis, Obama had had slight stutters due to the fact he stuttered as a kid and he was in an intense situation speaking In front of millions of people.