only one people were left , this one , and , eventually , with their life support system switched off , even they would be gone , leaving behind a world of artificial life . `` boy , i would n't want to be the guys on duty last night . `` you wo n't let him , will you ? '' before the lights went out , that is , i told them . my bra was half on , half off . he looked very serious as he said it , frowning in a sort of serve-and-protect way . 