Maybe there's some sort of plot or secret that he doesn't want Hermione to expose. He might think that by keeping her close, he can prevent her from telling others. For example, if he's involved in some sort of illegal or unethical magic practice and he believes Hermione has figured it out.
It could be that your internet connection is unstable. Weak or intermittent connectivity can stop you from posting on your Instagram story. Also, check if you've violated any of Instagram's community guidelines, as that might restrict your posting ability.
It might be because your account has some sort of violation or you haven't updated the app to the latest version. Try restarting your device and reinstalling the Instagram app to see if that helps.
There could be several reasons. Maybe the file format of the music you're trying to add isn't compatible. Or it might be that you haven't enabled the right settings or obtained the necessary permissions to add music to your story.
Perhaps there's a copyright issue with the music you're trying to use. Or it might be that your account doesn't have the necessary permissions. Try using different, royalty-free music and see if that works.
It's fiction. In real life, there are no houses with a will of their own that can physically prevent kids from leaving. Such a concept is often used in fictional stories to create a sense of mystery and danger. For example, in some horror - themed children's literature, a haunted house might be described as having this strange power to trap the young protagonists. This serves to engage the readers' emotions and make them curious about how the kids will escape.