It gave the new vampire a sense of relief knowing that he would return- that he wouldn't simply forget about her. A true friend. It would be a long and scary night for sure, but she was never one to express her fears so openly. She wasn't weak, but would count every second he was gone.
At his offer, she was thoughtful for a moment, remembering a place she had spotted during their trip to this place.
"I saw this shop on our way here. People were carrying boxes, some lounging outside at tables, eating this round thing they cut into triangles... it smelled so good... if perhaps you could find one.." She was referring to pizza. The smell had triggered the same hunger that she felt while in the presence of mutants. Maybe it would help?
"If... it's not too much trouble..."