She rubs her leg, feeling two puncture points like the bruises made by walking into the edge of a table. A drug, then: a sedative to keep her asleep for the duration of the drive, and an antagonist, to wake her. They do the same with fighter pilots in wartime. Over time, the combination makes them jittery and unfit for duty. She does not feel jittery at all. She feels fine. She just doesn’t want to argue.