asking did he? did he? did he? Furiously, she thrust the thought aside. "I saw him at the zoo today," Linda said. "You did?" Abby said, relieved, and then she thought of her dream of the zoo and of Linda standing there and Dr. Gower beside the girl. Could she be psychic? No, there was a simpler explanation. "I saw you both there," she went on, smiling, "on television this afternoon." Linda frowned. "But Dr. Gower didn't arrive until the program was over, Aunt Abby." "I saw you," Abby insisted. "But I'm certain of it." "You must be mistaken, dear," Abby said in a tone of finality. And that settled that. The doorbuzzer sounded, and Gretchen whirred to answer it. Abby pressed a button beneath the table, and the image of Dr. Gower appeared on a small screen set invisibly in the opposite wall. She could feel her blood accelerate at the sight of him, but she wondered why he looked disturbed. She rose. "I'm going in to see Dr. Gower, dear," she told Linda. "Now, don't rush your food." Linda nodded abstractedly. She wasn't in a rushing mood. "Abby, how are you?" Dr. Gower said warmly, at her approach. "Very well, thank you, Tom," Abby said. "I thought I might have to get sick to see you." "I was busy," he explained. "The colonization of space brings up a great many new medical problems. How's Linda?" "Fine. I'm afraid, she's beginning to have a slight case of puppy love; I'm sure it can be discouraged in time, though." Dr. Gower hesitated. Then he said, "Linda's a normal young girl, Abby. You can't stifle her natural desires forever." "I not only can, but I will." To cushion the harshness of the statement, she added, "At least until she's mature enough to decide these things for herself. She's still a child." "A great many women get married at eighteen," Dr. Gower pointed out. "Physically, it's a good age for marriage, and a psychology going against the physical grain isn't going to help." "There are such things in life, Dr. Gower," Abby said a bit coldly, "as