They don't? [He's honestly puzzled by that. He's been told he's more inquisitive than most, as well.] If it can happen to certain people, it can happen to anyone, right? Even individual changes affect the whole, especially considering how close knit this community is. I would think concern over that would be natural, even for a newborn.

[He'll use your terminology, although he's not entirely comfortable with it yet.]

Why would you think they'd just disappear? Has something like this happened before?