"The sensations alone are not what interest me." Explaining this is- difficult. He is ill equipped to do so even after so much time comfortably settled in York's mind, surrounded by his habits, his emotions, his impulses. As much as any and all of that has taught him more of the human condition than his own broken echos of the Director's mind and memories ever could-

It is still an inherently awkward request. An odd desire. "The...sentiment. The connection you share with York- that is what I cannot experience if it is simply me and him working alone, even if he thinks of you to the exclusion of all else while he handles himself."