her mouth was set in a tight line . `` so are you going to carter high now ? `` i have grown tired of your swill . lights will go on and off , heat lamps will turn on and off , and air vents will hiss to keep track of things . vain approached from the parked skimmer . of course that 's what she drove . remember , by the time youve been called in to do something , the thinking has already been done , and by experts in their fields . 