Category: Authors/Causes/Depression/Dissociative identity disorder/Make a Difference/Mental Health/Readers Stories/Recovery/Shirley Davis/treatment The Dark Abyss of Depression Posted On 24th March 201823rd March 2018 By 1in4 I live with the double whammy of major depression and dissociative identity disorder. There is a certain time of the year when I fall into the abyss.