Merging Device: Not Merged, Exactly

"This is so weird," the new person (who looked exactly like Karyn) said. "I have all of Karyn's memories *and* all of Jon's memories, as if they were my own. But I know they're not." "That's how it feels for me too," she said. "So, what's going on?" she asked herself. "It's almost like our minds are still separate but connected. I thought the merger device was supposed to merge everything, including our minds *and* our bodies. But that's not what happened." "Maybe the stone can tell us what's happening," she said, grabbing it. "I wish ..."