Without noticing, Rosa has bared her teeth in a snarl. She's furious -- she can't believe she was taken advantage of like this, and Stiles's defense only serves to make her madder.

"You're lying, and I know it!" she snaps, shaking him. It's hard, restraining herself from tearing into him with her hands and teeth, but she wants to hear him confirm it. "You're you goddamn fae, you son of a bitch!"

There is a faint popping sound, and an enormous Luna moth is abruptly struggling free of her hair.