I seriously thought he had asked her if she was a reincarnated person, and I'm glad it was just asking if she was a mage.
...
... But it's weird that he is saying the thing about knowing because of the lantern when she literally said she was using magic to light fires every day; he should already know, right? Because she already said so when he first asked her about being bored? Right?
Was the author also not listening when she talks?