When Kenneth Chan Kai-tai was young, he watched his mother battle severe depression. She had constant doctors’ appointments and took many different medicines. She endured frequent anxiety attacks and became hysterical when no one was around. There were times when Chan had to protect her from herself. Chan was too young to know how to help her. He hugged her as tightly as he could, trying to keep her safe. Eventually, given time and care, she started to become herself again. He never thought that...