[ An only child, it's pretty easy to tell, sort of like how it's easy to tell Ayabe is the exact opposite of that. ]

Anya, then. Don't you think your mama and papa are the happiest when you're happy? For me, I have five younger brothers and sisters. Nothing makes me happier than seeing them smile and grow up well.

[ It's familial love, which doesn't exactly translate to this place full of strangers, but it's the same sort of concept. Putting other people's happiness first, making sure they're all okay, ensuring that the world is both safe and happy to the best of his ability, and only then will he feel satisfied enough to be happy himself. ]