Twilight Sparkle is a devoted and faithful student, willing to do anything that Celestia asks of her. But that relationship is perhaps not two ways. When given the opportunity to find a solution, she settles on a potion.
This is currently T-rated. It might turn into an M-rated epic, or it might stay a short one shot. It could also be a T-rated two shot. Let me know what you want out of it in the comments. It's a story that's been on my mind for years, about self mind control. It's been hugely towned down, and I may be convinced to provide the much darker original first draft if someone is curious. Also, this version was written entirely on my phone. Cool.