This can manifest itself in a number of ways, including... * Not realizing that her brother's tired body language means that he doesn't want to talk * Wondering why his friend is mad at him * Not predicting how Mom will react to being interrupted while working * Not realizing that her friend isn't nearly as interested in videos of robots as she is, and will not share her joy in discussing how the robots work * Having no idea that Daddy will get scared when he wanders off Mind-blindness can be a difficult disability aspect to face.