different. But your novels help me to understand.' popular enjoy the painful feelings described in novels, you must find real minds like ours dull and colourless,' said Dr Calvin. "But I don't!' Herbie's reply sounded sympathetic. Dr Calvin reddened, and thought wildly, "He knows!' "Of course I know about it," Herbie said in a low voice. "You think of it all the time, so of course I know. Her face was hard. "Have you told anyone "Of course not!" Herbie was surprised. "No one has asked "I'm ugly, and I'm much older than he is," she said bitterly. "He doesn't see me as a woman. "You're wrong!" Herbie's metal hand banged the table. Listen to me "Why should I? You're a machine. You're not interested in me as a person. To you, I'm just an example of a peculiar human mind like your novels." Her voice was full of pain. Herbie shook his head anxiously. "Listen to me. I could help you. I know what Milton Ashe thinks. Susan Calvin was silent for a long time. Then her eyes dropped. "Keep quiet,' she gasped "You'd like to know his thoughts," the robot said quietly "He loves you. Dr Calvin stared. "You're mistaken! Why should he?" "He looks deeper than the skin,' the robot explained. "And he needs a clever woman." Susan Calvin's voice trembled. "He has never shown an interest. And a young girl visited him at the factory six months ago, Young and pretty. Who was she?'