And of course Aradia doesn't realize right away that it might be a rude or invasive question, asking why he exists. Presumably because of methods of mammalian reproduction Aradia had never actually wanted to know about and had been forced to learn about anyway. But on the flip side, why does she? Because things have to happen and people have to be there to make them happen.

"Everything changes and the universe proceeds to greater chaos, supposedly." She'd been paying attention to some of physics. "It's a theory I never thought about before, that things should balance or equal out somewhere. No, that's not true, it was...sort of true? No, never mind, I'll have to think about that for myself sometime. It's not so simple as for one thing there is an equivalent opposite."

She's rambling, and it's not relevant. Time to move on.

"But I suppose that makes sense, that evil would change into something...hmmm, better?"

And now she's just teasing.