Marriage has turned into a choice from a tradition. Previously people used to marry for convenience but now days they marry out of choice or desire. From an early era of civilization marriage has been a part of the social structure. Marriage is the formal start of a family life. Within the boundaries of this legal relationship you can give birth to kids and raise them with the support of the national law and government. With time the beliefs have changed and so has psychology of common people. It is now possible in the developed countries to raise kids alone and laws have changed to provide support for children who have born without wedlock.