More couples begin living together before getting married than ever before, according to a study conducted by the Centers for Disease Control and Prevention’s National Center for Health Statistics. The report states that between 2006 and 2010, 48% of women between the ages of 15 (!) and 44 moved in for the first time with a man to whom they weren’t married. For more on this cohabitation study, read CNN’s analysis here, and other commentary on the report here.