Zhong Jin is 46 years old, but he says he is 8. Like many people with autism, he murmurs constantly, delivering a stream of consciousness. And like many children, he longs for his mother, and asks about her. At 80 years old, his mother can only see him on weekends. For Jin, those visits can’t come soon enough. The hours are long and desperate and full of nonstop yearning “Is mom coming?” “I miss my mom.”