No, not all the time. But if that's the only reason, that's a good reason. It's a reason that few people can come up with as they grow up.

[ He closes one eye, not really winking but grimacing with a smile. ] The older one becomes, the sillier and foolish they become toward family. [ Kei certainly does not exempt himself from this. ]

That's difficult to say. As he is outside the influence of the app, he may not even notice anything is amiss. But it is nice of you to worry about him.