Because both parties in every relationship have very different background & characters.
Or Gloria Naylor hadn't written MAMA Day? I also recommend you read all of the books Cornelia Funke quotes as the vignette just about every chapter. Board books can be black and white or very colorful. http://ajaysaini.com/__media__/js/netsoltrademark.php?d=Www.Open201.com%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D123708