Feyre had heard his footsteps. Heard him coming down the stairs, but had assumed that it was either someone that was nocturnal, or someone that needed to leave the confines of the apartment building. Whoever it was had their reasons, just as she had her own. Had she still been human, she probably wouldn't have heard him at all. And she all but cast the stranger from her mind completely when he went another direction.
But when he came in front of her, her hand dropped to the hilt of the dagger. She was so focused on keeping her walls up, that she didn't think to probe his for intent. But his question did bring down her guard. "I..." Was she? Physically she was, of course.
Feyre drew her hand through her hair, letting the wet rivets drive down her back, rather than down her face. Not caring whether the tips of her leaf shaped ears shown. "I think so. I just needed out of there." It felt far less like home, than she'd hoped.