A Strange Disease Among People That Is Hereditary

Night after night, I subconsciously rubbed the center of my body, as if I wanted to brush away something. Until my colleague reminded me softly: "You always touch there." The memory was instantly rewinded. Before his death, his father also stroked Ren Zhong in this way, grinding his rough fingertips back and forth. His last words were mixed with the noise of breathing: "Itch." It turns out that this itch is hereditary.