What are the advantages and disadvantages of common-law and official marriage with a Russian girl

Nowadays there is a tendency in Russia and Ukraine when a girl and a boy before getting married decide to live together for a year or two to be sure they have made up the right decision. People love each other, but they are not sure what to do. Rumor has it both official and common-law marriage have their advantages and disadvantages.
About common-law marriage Russian women say it is free love, check of feelings without any obligations or demands. First get to know life and people. Some Russian and Ukrainian bride think that a common-law marriage is the best way to get to know the person, make sure he is safe. Men and women have their own reasons of not registering their relations. For men it is ability to avoid responsibility. For ladies from Russia fear to lose the man. She loves him and does not want to insist on registration.

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