“If you don’t I’ll have to do something terrible,” she threatened, lifting her face to put on a pretend angry face. “Like, indescribably terrible.”
“Oooh, like what?” He grinned and cocked his head to the side, finding her expression quite amusing. “It’s like watching a kitten trying to roar like a lion.”
“ISAAC!” She whacked him with a fist, screwed up her face in an even more ferocious fake glare, then just — kissed him.