He stares at her a moment, brain frozen and taking a dip into the gutter when he sees the hint of tongue. He snaps from it a few seconds too late to keep from being obvious. Peter would feel embarrassed about it if that smile on her face didn't say she knew exactly what she was doing.

"I know you're tough," he says instead of calling out her tease. He's pretty sure she'd just find a way to turn it back on him anyway. "And maybe I am. Depends on if you're willing, really. It doesn't just have to end with a little diner."