" Her gaze turned distant. 'Have you ever heard of the arsenic eaters?'
Alex blinked, confused. 'No?'
'They would ingest a little bit of arsenic every day. It made their skin clear and their eyes bright and they felt wonderful. And all the while they were just drinking poison.' When Mira turned her eyes back to Alex, they were sharper and steadier than Alex ever remembered them being, free of the usual determined cheer. 'That's what being with your father was like. "
― Leigh Bardugo , Ninth House (Alex Stern, #1)