Set in a future where humans are being "ridden" by "Passengers": aliens randomly taking control of a person for days at a stretch, usually abusing them in humiliating ways. Waking hungover after being "ridden," a man impulsively searches for the woman he spent the past three days with.

First published in Orbit 4, ed. Damon Knight, G.P. Putnam’s, 1968. Reprinted in:

• Nebula Award Stories 5, ed. James Blish, Garden City: Doubleday, 1970
• Kindred Spirits, ed. Jeffrey M. Elliot, Alyson 1984
• Great Tales of Horror and the Supernatural (1985)
• Isaac Asimov’s Wonderful Worlds of Science Fiction # 8: Monsters, ed. Isaac Asimov, Martin H. Greenberg & Charles G. Waugh, NAL Signet 1988
• The Best of the Nebulas, ed. Ben Bova, Tor 1989
• Foundations of Fear, ed. David G. Hartwell, Tor 1992
• The Ultimate Zombie, ed. Byron Preiss & John Betancourt, Dell 1993
• Shadows of Fear, ed. David G. Hartwell, Tor 1994
• The Collected Stories of Robert Silverberg: Volume Five: Ringing the Changes, HarperCollins/Voyager 1997