His grin makes her give him a look that says 'really?'. But that look devolves into a small grin. Yeah, he likes being told he's pretty. Maybe he likes it too much, enough to be annoying about it. But also enough to be kind of cute. "If I'm the one appreciating them, then why isn't it logical?"

She looks over to him when he leans over, stopping just before pouring more pop rocks on her tongue. "Oh you are such a tease!" She shoves at his shoulder. This is her response to being reminded of his kiss or of him standing behind her in the other room only minutes before.