[And now you're Robin. It's not, as it would be from anyone else, laced with disbelief or angry confusion. It's a fact laid out before both of them and he doesn't question it. Damian hadn't expected him to so he's not sure why he feels himself relaxing and why it is suddenly easier to breathe. There are very few people in the world whose opinions Damian cares about, and he won't fool himself into believing Grayson isn't one of them, but he wishes he didn't care quite so much.]

I didn't leave. She sent me to him. To Father, to learn about what I would be in the future. [He had known nothing but the League, there would not have been any reason to leave. Damian pauses now, double checking that there is no one within earshot.]

You said you knew what you are to me? Did the previous "me" explain what happened to bring that about?