It seems a lot of people seem to think that we choose to stutter, as if it's something not out of our control. Or that people don't understand that our stuttering is not the same as their stuttering, they don't know that our stuttering is a neurological disability and we have no control over it, where as their understanding of stuttering is because someone is nervous etc. You can even suggest that this is a good example of what's coined as an "invisible disability", meaning usually if someone doesn't look obviously disabled, or fit a stereotype of what a disabled person would look or be like, people would often say that a person doesn't have a disability.