" She glanced down at the basin with a deranged satisfaction. Better to get the blood out this way, she thought, all at once, rather than slowly, every month, for years. While she continued to retch, she heard the door to the dormitory open. Someone walked inside and paused in front of her. “You’re insane,” said Venka. Rin glared up at her, blood dripping from her mouth, and smiled. "
― R.F. Kuang , The Poppy War (The Poppy War, #1)