Caring for an elderly or ill relative can bring up complicated feelings. For author Lynne Tillman, it brought up feelings of frustration, duty, and sometimes resentment. She writes candidly about the complicated emotions she felt caring for her sick mother in her new book-length essay, Mothercare: On Obligation, Love, Death, and Ambivalence. She joins us to discuss, and to take calls from listeners who have grappled with similar challenges.