During this time , the relationship between Monroe and Miller had developed . The couple was able to maintain their privacy for almost a year , but now the press began to write about them as a couple , and sometimes called them `` The Egghead and The Hourglass '' . During this time , the relationship between Monroe and Miller had developed , and although the couple were able to maintain their privacy for almost a year , the press began to write about them as a couple , often referred to as `` The Egghead and The Hourglass '' .