but you must know what you do . old dor was nodding and smiling . `` that still does n't explain what i did , '' blue said-not getting silent . i climbed into the driver 's seat but did n't shut the door . well he would load this thing up at one end of the living room , drive the truck along to the other end of the living room , unload the cargo , and then reload the cargo for shipping to yet another destination within the living room . 