Sure is. It's a fictional story with created characters and plotlines. The events and situations presented in it are not based on real-life events but are the product of the author's imagination.
There are many powerful quotes. One is 'You don't know what goes on in anyone's life but your own. And when you mess with one part of a person's life, you're not messing with just that part. Unfortunately, you can't be that precise and selective.'