Henry nods. He's not entirely sure he understands it, but he thinks he might be able to. Hermes isn't a person, he's a god. Easy to say, harder to wrap your mind around.
"You...oh. When you said you were remembering things differently, when that weird time stuff happened- that was one of the differences? You had kids? I'm...I'm really sorry." Henry's never gotten along terribly well with kids, and he's never really felt like he needed to have any. But if he did... "I...god, I can't imagine losing them like that." Hair-petting won't exactly help that, but Henry continues anyway.