But it was far less a role he played than George wanted to admit. His body sang with excitement. He found it very difficult to hold the excitement in check. If he had been addicted to the compound, it would have been out of the question. More than ever before he sympathized with the men who were enslaved by love. In spite of his own immunity, he nearly yielded to the sensuous appeal of her caress. He held the wheel so hard his knuckles went white; he clenched his teeth until his jaw ached. All afternoon George drove aimless mountain roads, moving deeper into the uninhabited canyons. Carefully judging his distances with an eye on the map, he saw to it that he remained relatively close to the city; after he forced Jenny to give him the information he wanted, he wanted to be able to get out fast. By dusk the roads he drove were no longer paved. Ruts carved deep by spring rains suggested long disuse. The swaying of the car and the constant grinding of gears eventually jolted Jenny out of her romantic dreams. She moved away from George and sat looking at the pines which met above the road. "We're lost, aren't we?" she asked. "What's that?" he shouted to be heard above the roar of the motor. "Lost!" For a minute or two longer he continued to drive until he saw an open space under the trees. He pulled the car into the clearing and snapped off the ignition. Then he looked Jenny full in the face and answered her. "No, Jenny, we aren't lost; I know exactly what I'm doing." "Oh." He was sure she had understood him, but she said, "We can spend the night here and find the lodge in the morning. It's a pity we didn't bring something to eat." She smiled ingenuously. "But I brought the compound; and we have each other." They got out of the car. Jenny looked up at the sunset, dull red above the trees, and shivered; she asked George to build a fire. He tucked the ignition key into the band of his white trunks and began to gather dry boughs and pine needles from the floor of the forest. He found several large branches and carried them back to the clearing. There was enough wood to last until morning--whether he stayed that long or not. Jenny had lugged the seats and a blanket out of the car and improvised a lean-to close to the fire. He piled on two of the larger branches and the bright glow of flame lit their faces. She beckoned to him and gave him a bottle of the compound, watching bright-eyed as he emptied it. With her lips parted, she waited. He did nothing. Slowly the light died in her eyes. Like a savage she flung herself into his arms. He steeled himself to show absolutely no reaction and finally she drew away. Trembling and with tears in her eyes, she whispered, "The compound doesn't--" The look of pain in her eyes turned to terror. "You're immune!" "Now you know." "But who told you--" She searched his face, shaking her head. "You don't know, do you--not really?" "Know what?"