A SCOFF , derisive and short , more than likely inaudible above the familial chaos that surrounds the couplet ( george is running late for work again , lizzie seemingly cannot find her mathbook and marti is far too preoccupied with pretending that she is a cat to get ready for school ; just another TYPICAL morning in the mcdonald-venturi residence as far as derek is concerned ) ; however , what begins as merely a shallow exhalation on the male’s behalf soon evolves into full blown laugh before any precautionary measures can be taken to prevent it’s elicitation — for the sake of her sensitivites , of course —— as if he cares. —— schoolbag is swung over left shoulder , a subtle signal towards premeditated plan to make hasty GETAWAY once quip is released. ( no sense in hanging around solely to hear the inevitable divide of his name , uttered in that typical , shrill , casey way of hers —— ‘ DER-REK ! ’ ). up and down , shoulders rise and fall in noncommittal shrug. crown shifts to bob downward , the honeyed tones of rhetoric of his own serving as the only thing that fills distance betwixt the two. “ I dunno , princess. ——would I ? ”