How To Save My Girlfriend Before I Go Completely Ghost: Supernatural Novel

The story follows Evan and Sammi, a couple who have had a volatile relationship for the last few years. They fight constantly but use it as their own kind of foreplay, and neither one truly appreciates what they've got together. That is... until Evan dies. After his unexpected death, Evan follows Sammi around as a ghost while they both try to figure out what happens next. What they once took for granted now feels a lot more special, but it's all slipping through their fingers.