Marry first or live together? Psychologists talk about the research.
Read MoreSome research has found major differences in the relationships of couples who marry versus those who live together - What should couples do?
Read MoreWhile only about half a million people reported living together in 1970, over 4 million people report living together today.
Read MorePsychologists talk about living together versus marriage. What are the differences between married couples and those that move in together?
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