There must be some mysterious and revealing link between how Mary is seated on the Park Bench of Back-Bending Pain and Cathy's dinner table. In the park, legs crossed, she leans precariously against frontal boards, her hip hooked on the narrow ledge holding her upright. At Cathy's home, she somehow holds herself in an upright, seated position by grasping the back of the chair. No wonder she's quiet. The tremendous pressure on her abdomen makes talking impossible.