Well that sure is a spirited non-explanation. Who actually calls themselves a monster? Besides arrogant psychopaths looking to inspire fear, maybe, but he makes it sound like a species or something. Give her a break. He seems about as eager to offer up an actual explanation as she is to pry it out of him, though, so she just runs her free hand down her face and makes a valiant attempt at moving on.

"Alright, sure, whatever. What's a monster doing looking for kids in my house, then? You gonna eat them?" Not that she'd judge, necessarily. That's just what usually happens, in her experience on Earth so far.