That's fair. [...] And I don't think it seems like you don't give a damn. I think it seems like it's hard for you to show you give a damn. i.e., she said she told you she loved you or something and you didn't, uh, respond. Aaaand that's the kinda thing people tend take to heart.
We don't usually want what's best for us either. She has to make that decision, anyway. You don't get to make it for her. That's taking away the little agency she has, you know?