He frowned, looking away. Because that was worse than any of the physical pain he'd felt. And that had been bad. He couldn't remember ever feeling anything so painful. But nothing compared to the pain caused by hurting her, even indirectly. But in the state he was in, he didn't really know what to say to her or how to deal with it.
"I wasn't doing it to worry you." It wasn't his intention, ever. But hearing her say it that way, talking about his attitude...that hurt.