" She gives me a glare fit to singe hair. "Make me a promise that this is going to save Oak's life."

"I promise," I tell her.

"And make me another promise that it's not going to cost you yours."

I nod. "It won't."

"Liar," she says. "You're a dirty liar and I hate it and I hate this."

"Yeah," I say. "I know."

At least she didn't say she hated me, too. "

― Holly Black , The Cruel Prince (The Folk of the Air, #1)