[Solved]: For the past 4 months, Myrtle has lost interest in…

For the past 4 months, Myrtle has lost interest in her hobbies and has had difficulty concentrating on her job. She complains of having little energy to clean her house, buy groceries, or cook meals, and she locks herself alone in the bathroom, sitting by herself for hours on end. Myrtle’s responses and feelings are characteristics of what mental illness?