 Well, like I said before, it's individual to every single person. But what you'll see is we deal with aphasia. And aphasia, there's lots of types of aphasia, which one that's really common that people know about is dementia or Alzheimer's disease. Those are both types of aphasia. And so depending on if you have an issue where you know that you or someone you love can't get their words out, or you know someone that they talk...