[She reaches out and squeezes his hand. Probably not an expected response from either of them really, but she knows him well enough to see how nervous he is.
And the words? They don't feel good to hear, but she already suspected something was going on from the look he had while they were dancing to the way Leia exploded at him about things. So, she's already had some time to process how she feels about it. Again, not all of that processing fell on the side of good, but she gets spur of the moment things. She gets the way this prison brings people together unexpectedly. She gets being lonely and needing affection and physical touch.]
I...might have left that night, kind of upset after I saw you dancing. Not at you. Just, you know, feelings. [She looks at him thoughtfully, knowing that wasn't the most in depth explanation but maybe he gets it?]