Pepper startles a little when Tony suddenly barges in. She could have sworn she locked the door? Or... did she? Now that she thinks about it, she can't be all that sure after all. She rinses the soap off her hands and reaches for the hand towel when those words come out of Tony's mouth, her lips parting in astonishment when she processes the question, gaping at him. That was unexpected.

"Uh. In the bathroom?" What? That's not entirely what she'd planned on saying. Squinting at him a little, she posits slowly, "Do... you want to make out?"