She purses her own lips, unsure whether it'd be better to answer or continue to give him the silent treatment. He's going to keep asking, and she'll just have to keep swatting him away.

"I'm not answering that," she finally replies. I don't have to. She tries to sound certain, unquestionable, but there's something a little too hunted to be believable. Hearing it in her words, she's sure he will, too--and it's most of the reason she starts to stand up.