Turns out we're all doing it.
More women are living with a partner before they get married, according to a new report by the National Center for Health Statistics.
Nearly half of women (48 percent) between the ages of 15 and 44 lived with a partner before getting married between the years of 2006 and 2010, an 11 percent jump since 2002
According to the report, 1-in-5 women became pregnant during their first year of premarital cohabitation and 40 percent of first marital cohabitations transitioned to marriage within three years.
Read more about the new 'normal' for living together without being married on NBC News.com