"... I'm sorry, too." Sorry, most of all, that he can't see her childhood for what it was. Maybe he's incapable of acknowledging that they both were treated poorly. What then?

"If I were never made a ward of Rosaria, we would have never met. And so I've been grateful for that, all these years. I lost my family, but I gained you and Joshua."

Always the brightest parts of her history despite the pain in her heart. It feels worse now, speaking of it to him, and feeling as if she's somehow wrong.