Yeah, time to go back to normal.

"Okay, Sarah, when I hand you this thing, put everything back to normal, and give it back, okay? Don't do anything else." You put the device in Sarah's hand, and reality blurs around you. For a second it feels like you've left your body. Your vision clears and you're back in your kitchen, in what, after a few seconds of confirmation, is definitely your own body. Sarah hands you the device, and you realize that she's lying on the floor of the kitchen, motionless and mostly naked. Right, the device can't change anything about her. You'll probably have to help her out.

"Sarah, you can speak and move freely, and you have clothes on. But you can't use this device to do anything harmful to me." You figure that's a good enough safeguard.

Sarah stirs and stands up, dressed in the clothes she was before. Her head is down and she can't meet your eyes. "Look," she starts, "I'm sorry. I got way carried away."

"Yeah, you did..." You look down at the device in your hands. Would you be able to avoid going crazy with this thing? You're not sure.