He may be hidden away, but she's a member of a very elite club: seeing him without the layers. There are very few people who have: her, Josh, and Dr. McCoy.

He's surprised by the hug, but hugs her back. He wants to kiss her but doesn't dare. He can't even rest his head against hers. Still, he holds onto her for as long as she wants to stay where she is. Kevin is a man starved of physical affection.