Ernest is deeply sad. He does not eat much, does not seem to want to take care of himself, and believes his life's work is useless. You think this is strange because several weeks ago, Ernest was very excited about his life. He talked and talked about his new book and even seemed to stay up an entire week writing. Ernest probably has

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Ernest's symptoms suggest bipolar disorder, characterized by periods of depression (deep sadness, lack of self-care, feeling life's work is useless) and periods of mania or hypomania (extreme excitement, talking excessively about new projects, staying up for days). The drastic change from high energy and productivity to deep sadness fits the pattern of bipolar disorder.

Ernest Is Deeply Sad