You don't actually have to do anything in response to the bruise, headache, or cough of the week. Set boundaries as 'I'm a friend, not a nurse.' Listen, empathize, but you don't need to always prepare for her concerns.
Whether your roommate's ailments are physical or psychologically rooted, focus on being a supportive friend. Validate her suffering without taking on the role of a caregiver or problem solver.
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