lift with a precision that seemed to be just a part of his movement, not something he planned. "Worry is a human emotion," he stated, as though correcting me on some particularly salient fact.  I stepped back from the doors and let them flash closed on us, taking up my own place on the opposite side of the turbolift. "Of course it is," I said, rather flatly. I kept my eyes trained on the deck indicator to avoid having to look at him. "How could I have forgotten?"  