Puyi became a devout Buddhist, reading many books and sutras on the topic and had developed superstitions to the point where he would not allow his staff to kill a single fly. He wrote, "Wanrong became as engrossed in these rituals as I and she too made her own rules. If she encountered something unlucky, she would blink her eyes or spit. This became such a habit with her that she would often blink or spit unnecessarily as if she were suffering from some sort of mental illness."