I don’t know what set her off, the white woman screaming at me from behind the wheel of her Texas-sized SUV. We were in the parking lot of a T-Mobile on an otherwise unremarkable Friday afternoon. Each punch of her car horn jostled me closer to a “crash,” the general term for symptom flares caused by exertion in patients with myalgic encephalomyelitis/chronic fatigue syndrome , or ME/CFS. The experience differs from patient to patient, but for me, physical and emotional stress provoke muscle