For nearly five years, Peggy Means went to sit with a daughter the doctors had all but given up on. Jennifer Flewellen had been in a coma since September 2017, when she felt lightheaded while driving her three sons to school near Niles, Michigan, and crashed into a utility pole. Her heart stopped at the scene. Paramedics revived her on the fourth attempt, but the brain injury was severe, and the prognosis, delivered and re-delivered over the yea…