[That's it - he can't just sit here and be useless, and by now it's starting to become clear what she's on about. So he gets up on his feet, moving over to stand by her at the window. Very nearly reaches out to touch her. The only thing really keeping him is that he's not sure if she'd appreciate it.]
Kitty... this won't change who you are. And I'm sorry if I... didn't handle it right, but you're still a mutant. What happened to you matters. It made you who you are, and even if the people here won't ever see it, I...
I'll always remember. I'll always know who you are, even if no one else will.