Rachael said, “Do you know what the lifespan of a humanoid robot such as myself is? I’ve been in existence two years. How long do you calculate I have?” After a hesitation he said, “About two more years.” “They never could solve that problem. I mean cell replacement. Perpetual or anyhow semi-perpetual renewal. Well, so it goes.” Vigorously she began drying herself. Her face had become expressionless.
Up until this point, there has been no mention of an expiration date
