"He watched her as she carried the stone over to one of the walls and set it down. She exhaled and wiped her brow. Then she glared at him. He smiled--one of his best, he thought. "You ought to bend your legs when you lift the stones," he called out. "It's better for your back." "It's better for your back," she mimicked under her breath, "lazy, good-for-nothing, stupid little--" "Excuse me?" "Thank you for your advice." Her voice was sweetness personified."