She'd thought it might make him feel safer, but it seems knowing what she is hasn't completely soured him. If she wasn't already certain he wasn't from her universe, that would cement it.

"Oh." She considers the implicit offer to stay. It's not even an offer, but a suggestion; he thinks they'll both be better off.

Well. She glances down the stairs - no more hungries will be coming from that direction, she'd guess - and then cautiously resumes climbing, edging past Nick to lead the way up the stairs.