i just prefer to use it , '' he said , keeping his head down and pretending to feel a shame that he did n't actually feel . `` what are you coming over for ? '' `` a little , '' she lied , '' i 'm from out of town . '' she knows that a dangerous magnetic field can kill or maroon the crew on the planet . relieved , i let go of his arm and we started up the sidewalk . in this world , nobody else does it for you . '' 