She enjoys the way it makes him trip over his words, though she decides that if they're going to be going on a date, he's going to need to be able to recover when she kisses him. Which she plans on doing, but maybe not until he's less likely to pass out if she does.

"Billy," she sighs, holding back a laugh, "I've been flirting with you since the day I met you." She thinks back, and pauses. "Well okay maybe since like, day two. Day one I was busy pulling a knife on you."