[Oh, that hurts a little; he's already school age. She wonders how much he knows about them, both her and James, if her family took him in or James'. Maybe her parents?]

You can call it Hogwarts here sweetheart, there's plenty of muggles here who openly know about magic. How do you like school so far? What was your favorite class?

[She would ask about his house but honestly she'd be fine with whatever he ended up in, even Slytherin.]

If you don't mind my asking...who are you living with?