Two simple things required of all writers in order to find their voice.
The truth is we all have hidden expertise we don’t think about. There’s something you do regularly you know more about than most of your friends.
Hidden within that expertise you consider mundane is a story the rest of the world has yet to hear.
There’s nothing original in the world. Good writers are always stealing ideas from each other and recycling stories. It’s expected. And it’s natural.
While using names is funny in National Lampoon’s Christmas Vacation, it’s not as funny in your novel.
Write for ten minutes. There must be a sandwich included in your story.