Slow as the counterbalance of a crane she turns and falls down heavily, jolting fatigue through her struggling frame. Her wiry mate pirouettes cleverly, a long- limbed pulley, he offers an arm. They handle the weight jointly and severally, ensuring she stands up without further harm. They lean against each other and rest. She sucks deep breaths. He's controlled and calm. Choreographed, with the confidence that he knows best, he gently guides her across the street, to the path where the walking is easiest. Steady now, she begins to find her feet, quick to pick up his precise steps, agreeing where and when they will next meet.