Marissa Raffaelo-Moretta is used to shouldering the burden. As the middle child, she's played the mediator role for longer than she cares to admit. As a mother, she's taken on the exhausting task of primary caregiver. And as a daughter and nurse practitioner, she's spent her adult life being responsible for her parents' physical and mental health. When her stubborn and impulsive father, Frank, falls and refuses to stay at rehab, she and her...