Narcissists repeat stories over and over because it helps them get the attention and validation they crave. Also, it might be a way for them to control the conversation and make it all about them.
Well, sometimes it's because the stories bring comfort or familiarity. Also, they might be easy to remember and share. And for some, they just have a deep emotional connection to those particular tales.
Since erotic stories involve sexual content, 'doing over' them in the sense of promoting or further developing such stories is not ethical in many contexts. Society has standards about appropriate content, and explicit sexual stories often violate those norms.
It's completely fictional. The story and characters in 'The Do Over' are made up for entertainment purposes and have no basis in reality. The plot and scenarios are the imagination of the writers.
Well, 'do over stories' often involve a character getting a second chance to redo or correct something in their life. They can be full of hope and redemption.