Marlena moves further into the brig as ordered, glancing back at the two men as she does so. She's hardly studying them, but she nevertheless notices the tiny change in Spock's face which would be the equivalent, in any other species, of collapsing in pain. Her instinct is to reach for him, but she holds back. This isn't her Spock. Besides, it might be prudent not to let them know how well she can read Spock.

She opens her mouth to speak, but reconsiders and closes it. Jim's attention is obviously on Spock; this is certainly not the most opportune time to appeal to his feelings for her.