This much was clear. At some point in my future, I would have access to a time machine. This was a ridiculous sentence and a tragically irrelevant concern while my wife Judi was on the floor and possibly dying, but there it was: nonsense, in the presence of death. This was the central tragic absurdity of the day. My future self had materialized in the corner of the room, as solid as a blow to the face, and it was not even my most important concern.