"Young humans will just grow into older humans in time."

As for the question... Does it? He thinks he's heard that before, but if he has, he doesn't have any knowledge solid enough to put it to use any more.

Still, he nods slowly. In connection with what he knows about what this guy is, it has to be some kind of tribal or ...whatever else. Political belonging of a kind. So while he doesn't have knowledge, strictly, it means something.

"Colin would know more, though."