 What would've happened if Simon had said yes to the job at the end of the story?
He looked over at Betty and said, almost as though reciting, "What I need is a vacation." The client fussed himself with Betty's assistance into the seat, bug-eyed Simon, said finally, "You know my name, that's pretty good. When Simon continued to say nothing she ventured, "Time travel is impossible." It's my contention that within a century or so man will have solved the problems of immortality and eternal youth, and it's also my suspicion that he will eventually be able to travel in time. "The usual explanation, Betty, is that they can't afford to allow the space-time continuum track to be altered. If, say, a time traveler returned to a period of twenty-five years ago and shot Hitler, then all subsequent history would be changed. In that case, the time traveler himself might never be born. Simon said, "You want to hire me to find a time traveler and in some manner or other—any manner will do—exhort from him the secret of eternal life and youth, which you figure the future will have discovered. If you could go back a few thousand years, the things you would wish to see would be a Roman Triumph, perhaps the Rites of Dionysus, or one of Alexander's orgies. You can take the plane to Munich, spend a week there and—" Simon was shaking his head.
 He would have returned right back to the office soon after he left for the airport, but with a worse hangover.
 He would have returned right back to the office soon after he left for the airport, but with a worse hangover.  He would have stayed at home and pretended to travel to Germany for the sake of his client.  He would have gone to Germany for the 16-day festival and looked for time travelers.  He would have brought Betty with him to Germany to help him find time travelers.