The night has already turned on that imperceptible pivot where two A.M. changes to six A.M. You know this moment has come and gone, but you are not yet willing to concede that you have crossed the line beyond which all is gratuitous damage and the palsy of unraveled nerve endings. Somewhere back there you could have cut your losses, but your rode past that moment on a comet trail of white powder and now you are trying to hang on to the rush.