[That takes him aback. He did not quite understand why she thought he wouldn't think about it. The whole Central Park thing was a traumatizing experience for her, and it affected a lot of what they did. And what they didn't do. No matter how she thought about it, it was still there and looming all the time. Of course he thought about it.]

Ali, it's kind of hard to ignore. I've been with you day in and day out since it happened and I'm trying my best here to help you get through it. And I'm sorry that it frustrates you, but it's going to include worrying. I can't help that.

[Plus he still can't get over the fact that he'd been talking to her when it all went down. He still remembers the tone of her voice and the way she asked him to come along. It ripped his heart into a million pieces that he couldn't go there and help her.]