Her expression flattens a bit into a frown and after a moment she flings the panties at him with a little scoff. She's used to his teasing, really, but she's more nervous about what's going to come next. Is he just going to laugh at her and tell her to get out?

"You definitely sound like you made her happy, though..." She sighs and folds her arms, one hand rubbing nervously against her arm.

"...how do you do that, anyway?"

Ease into it. Maybe.