He didn't recognise her. He got her message, of course he did, but he didn't recognise her. It had to happen sometime, she knew that. She didn't know how much it would hurt. He looked right at her, right through her. She didn't have much time to think about it, she never did with him. They had to run.
He was going to sacrifice himself, of course. It was a full time job to keep him alive, and it wasn't going to be her job any longer. He had saved her, in a different way than he usually did.
Goodbye.