I noted that Diana was looking old and frail. It confirmed my feeling that Archimedes was aging more slowly than average. Probably the same gene responsible for his increased intelligence was affecting his lifespan. I felt a moment of relief that she might be gone soon, then a spike of shame at the thought. I might not like her, but she was Archimedes’ life mate, and he was my friend. The kids—I realized with a shock that these were Buster’s grandchildren—had started a game of tag while the adults talked, and one of them barreled into me. There was a moment of tense silence, then I laughed and
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