Well, there are conjoined twins in real life and we can tell a story about them so long as they're not the brunt of the jokes. In this, they're the heroes of this story; we love these guys.
“The daily act of writing remains as demanding and maddening as it was before, and the pleasure you get from writing - rare but profound - remains at the true heart of the enterprise. On their best days, writers all over the world are winning Pulitzers, all alone in their studios, with no one watchin”