"I'm going to try to get above them," she told McCoy.
Kirk was about to tell McCoy so when he became aware that the conversation around them had stopped.
"Forty-eight hours, no more," she told McCoy when she'd sent for him.
"I still love him, but he's like a different person now," she told McCoy.
The hard line of her mouth told McCoy that she would not surrender her story willingly.
"It appears that we cannot go back," he told McCoy.
Unfortunately, even Federation technology couldn't tell McCoy what he wanted to know right now.
The past tense told McCoy all that he needed to know.
It told McCoy that they were in trouble.
It might have been normal sleep, except that the sensors mounted in the cell told McCoy otherwise.