He breathes out slow, accepting that. "Well, nothing we can do about it, right?" So no use worrying about it. "But I'm sorry. For the people you've lost."

The idea that someone might be here one day and gone by nightfall is not unusual to him, but he at least--usually--gets some closure on it. He gets to stab the person in the head and bury them if he's lucky. Someone just literally vanishing sounds like it comes with its own hell of 'what ifs'.