Zoey has two distinct personalities. at times she says that her name is michael and behaves in an arrogant manner. when her therapist asked her about her experiences in life at any particular moment, zoey is unable to remember anything. when alone, zoey tends to behave in ways that are self-destructive. zoey's condition provides a clue that she most likely has: somatoform disorder. obsessive-compulsive disorder. bipolar disorder. dissociative identity disorder.