That didn't really make her feel any more reassured in answering... She didn't want him to get all worried about her. That would just be reaaaally bad...

"Then I'm fine, or at least as fine as I can be after all this." Was that enough of an answer for him? It did at least hint that she wasn't doing super okay, that she was rattled by the dead girl, but at least she didn't break down like Rio (certainly with not how defensive she was acting right now).