The writers aren't trying to impose a position on your character, they've constructed a narrative because it's a story. The choices you're given reflect the intended narrative themes. The crux of Astarion's story here is about whether he will break the cycle of abuse or continue it. The romance is only potentially a part of that and his story exists outside of it. It's an authentic portrayal of the varying ways abuse and trauma can affect people, and they never pull punches with how ugly and corrosive that can be at any point in Astarion's story. They're not going to do it at the conclusion which is meant to be a brutally honest portrayal of the cyclical nature of abuse. It's a very well written and poignant narrative conclusion to his story and a valid path to choose. That's not to say anyone is wrong for enjoying or being attracted to this version of the character. They're not. But what's being asked for here is a different version of the character and story they've written.
It should be reflected in him, not in my character. They can portray him as they want, I'm not asking to change his answers. I ask to change MY answers. I am completely satisfied with his Ascended version. So I don't understand why you wrote all this.
Writer forces me to provoke a conflict when I don't want to. It doesn't show any trauma, it's simple... foolishly. This is a silly letter for a role-playing game. And, if you haven't forgotten, it's not just a story. This is not a book. This is a role-playing game, which means you can change this story. If they take away my ability to change the story, then it's bad for the role-playing game. If my character is completely satisfied with Astarion's behavior and does not pursue selfish goals (SUCH AS HIS BODY), then I should have a suitable answer.
I hope now you understand what I mean?
I also don't understand how everything you wrote relates to the fact that I can't leave the cemetery scene. Any character deserves to answer "no, I don't want to go with you, I'm tired/etc". I could have done it in the second act at the moment of his confession, but I can't do it in the third? And you tell me that this is not an imposition of story? What is the problem?