what is marriage for?

in today's world people marry to have children and to have the sexual relationship. these may be without marriage but it doesn't seem good by society because it is perceived as a tradition cultural and even religious event(but the writer doesn't mention that). ın addition to these, laws play a key role in marriage. Because many people want to insure themselves. the writer says "when law and culture retreat from sustaining the marriage idea, individuals cannot create marriage on their own".ı think she meant this.... and the common question is that what the children positions, psychology will be if their parents aren't married. the article include many idea about this issue. it is obvious that marriage is good for children and their growth but if it works properly. otherwıse it gives harm to the children and the man and woman...besides them. not all the marriages have to include baby.if we make a correlation between baby and gay marriage. there is no relation between having a baby and gay marriage.