"Brother, can we be together forever?" When she locked me with the iron chain, her eyes were so red that they seemed to be bleeding. After ten years of separation, she used this extreme way to let me remember her. Every day she would kiss the marks on my wrists and whisper love. Until I found a psychiatric diagnosis book under her pillow: "The patient firmly believes that his brother who drowned in childhood is still alive..." It turns out that what she locked away was her own hallucination.