"How should I know? After twelve hours, the treatment will wear off, and you'll be yourself again. Hold this up to your eye, now."

"I will if you'll change me back to myself," Martin haggled.

"I can't. It's against the rules. One variance is bad enough, even with a filed waiver, but two? Oh, no. Hold this up to your left eye—"

"No," Martin said with feeble firmness. "I won't."

ENIAC studied him.

"Yes, you will," the robot said finally, "or I'll go boo at you."

Martin paled slightly, but he shook his head in desperate determination.

"No," he said doggedly. "Unless I get rid of Ivan's matrix right now, Erika will never marry me and I'll never get my contract release from Watt. All you have to do is put that helmet on my head and change me back to myself. Is that too much to ask?"

"Certainly, of a robot," ENIAC said stiffly. "No more shilly-shallying. It's lucky you are wearing the Ivan-matrix, so I can impose my will on you. Put your eyeprint on this. Instantly!"

Martin rushed behind the couch and hid. The robot advanced menacingly. And at that moment, pushed to the last ditch, Martin suddenly remembered something.