He could see the fear. More like he could hear it in her voice. She was asking a lot of questions, giving excuses, making suggestions. She wanted him to stay and frankly, he was ready to stay. Leaving her alone here? Even with wards, something in Ash told him it wasn't a good idea to let her remain alone. Maybe he'd read too many muggle books in that respect.
"Look, I'll stay here until your dad comes," Ash said, moving his hand from the side of her face to her shoulder, "And my family knows I can take care of myself. As soon as your dad is here, I'll head out. I may be an asshole because I'm promiscuous but I'm not going to let you stay here by yourself."