of the start and the end, by waldorph

She might have one, or the other, but she would not be permitted to have both. As summer faded she tried to test herself. She loved Eric, she knew she did. He was true and she was consumed by it—the thought of him touching someone else physically pained her, and she could admit that when she saw him with William she turned away not out of propriety but because she could not stand to see them have what she could not.

Mature, post-movie, polyamory. This is a movie where I really want an OT3, and this fic gives it to me beautifully.