HARV appeared in front of me, arms crossed, head tilted. “You really should read your e-mails from Randy more carefully,” he lectured. “I skim them,” I protested. “Well, if you skimmed them more carefully you would know that prolonged exposure to stealth mode may lead to side effects.” “I can handle . . .” “Impotence.” HARV smiled. “Oh,” I said. “Randy hasn’t really tested it on humans. It’s extra tough to get volunteers for those types of experiments,” HARV said. “Though he has computer simulated it and the results tend to support this conclusion.” “Let’s try to limit our use of stealth mode from now on,” I said.