Kitty could definitely understand some of that, even if it wasn't entirely the same. Even back home, she did find her sleep schedule slightly off after a mission, and a week of school never really helped that much. And while she hadn't lost a lot of people, she could relate to the pain of losing someone, and she couldn't imagine what it was like to go through that more than once.

So instead of answering, she simply nodded, urging the other teen to continue.