There were no days in the unending stream of hours that followed. There were only ragged periods of sleep, apart at first, later together, as they held each other in free-fall. The sexual feel of skin and body became an anchor to their common humanity, a divided, frayed humanity so many light-years away that the concept no longer had any meaning. Life in the warm and swarming tunnels was the here and now; the two of them were like germs in a bloodstream, moving ceaselessly with the pulsing ebb and flow. Hours stretched into months, and time itself grew meaningless.