" But you are crazy.”

“I know.” She lifted a small box from the basket. “Do you know how I know?”

Scarlet didn't answer.

“Because the palace walls have been bleeding for years, and no one else sees it.” She shrugged, as if this were a perfectly normal thing to say. “No one believes me, but in some corridors, the blood has gotten so thick there's nowhere safe to step. When I have to pass through those places, I leave a trail of bloody footprints for the rest of the day, and then I worry that the queen's soldiers will follow the scent and eat me up while I'm sleeping. Some nights I don't sleep very well.” Her voice dropped to a haunted whisper, her eyes taking on a brittle luminescence. “But if the blood was real, the servants would clean it up. Don't you think? "

― Marissa Meyer , Cress (The Lunar Chronicles, #3)