families seem to know that their first obligation, the ultimate expression of their love for the dying person, is to challenge anyone who proceeds as if that person is dying. Likelihoods are idle speculation. Changes can un-change. Being willing to consider that the gathering evidence of diagnostic precision, that timetables of tested probability and mounting symptoms might, when taken together, require the family to change its thinking is heresy. It is betrayal. It is giving up. And Thou Shalt Not Give Up. One