[She's watching Flynn, noticing him tense up, however she can't think as to why he's reacting that way at her question. Is it really that bad? When he starts to answer, she tilts her head to the side, giving him a questioning look. However, the answer he gives her?

...she buys it. Because really, she can't fathom as to why it's such a bad thing!]

Maybe they wanted to sleep in the same bed as their cousin and got upset. I could see why they reacted in such a way if that were the case.

[Really, her innocence will be the end of her.]