Natalie nodded as Dora explained what boggarts were, grinning a little when she mentioned a fiancee. "Oh, congratulations," she said, taking the money from Dora.
She shrugged as she gave her the change back. "I don't know if I have or not, actually. I was injured a few months ago and I still haven't gotten most of my memory back yet."
She blushed a little, since that wasn't something you generally told a person you'd just met, but there wasn't really anything she could about that now.