" When both she and I had to deal with our respective demons, my sister saw the darkness as being within and part of herself, the family and the world. I, instead, saw it as a stranger; however lodged within my mind and soul the darkness became, it almost always seemed an outside force that was at war with my natural self. "

― Kay Redfield Jamison , An Unquiet Mind: A Memoir of Moods and Madness