Red Badge of Courage?
Catch-22?
Tom Sawyer?
Atlas Shrugged?
Henry V?
None of those?
God the Creator imbued mankind with his essence creating him in His own image. One of those essential aspects was the ability for creation. Creating in writing, or what you call “not real”, is a reflection of God’s aspect.
Of course you don’t think it is sad, you have no idea what you are missing. It’s like someone who has only eaten lettuce saying they are not sad that they have never had steak. They have no way to understand the comparison.
Henry V?