"How does what feel and why would you call me Dean? I'm your girlfriend, Dana! Do you want me to call my twin over? I thought we were going on a date, though."
"I-uh, I was confused, sorry. I was working on something on the computer."
Jeff's heart pounded as he realized what he had done - his friend had become his girlfriend, but wait, who is her twin brother Dean? Is he like his old best friend?
Dana looked in Jeff's hands and saw the Chronivac sitting in them. While Jeff was staring at her, mouth agape, she asked, "What's that? Is that the new toy you were telling me about?"
"Yeah, it is! Would you like to try it out?"
"Sure. Remember that we agreed that whatever you did to me, you had to do to yourself. So no giving me huge breasts, or you have to deal with them too!"
All of a sudden, Dana grabs the Chronivac out of Jeff's hands, does some nimble finger motions, and a few beeps and boops can be heard from the mysterious device, then she gingerly hands it back to Jeff.
"That's to make sure you don't welch on the bet. I made it so any change you do or have done to me is also done on you."
"W-wait! That means-"
All of a sudden, Jeff began to feel a little queasy...