I think many people don’t understand how difficult it is to stutter, and that there are so many things a stutterer have to go through that normal people never think about. Tell your parents that. If you want you could also tell them you’re anxtious. Or show them the iceberg like this one: https://www.magicwordstherapy.co.uk/blog-posts/2019/9/17/stammering-and-the-iceberg-beast