B” Abnormality ” is becoming ” normality “, human weakness are increasingly exposed in the rapidly changing environment. The divergence between human beings is getting deeper and deeper, it even generating fear and resentment for the same kind, resulting a symptom of psychological allergy. On the other hand, machines and artificial intelligence have instead gained the unconscious trust of mankind. Is that sense of security brought by absolute reliability and loyalty an advantage of technological progress, or is it a tragic result obtained by this species? Perhaps humans shall eventually wear a protective suit that isolates themselves from others all the time.