When ever i see this word "Marriage" i always ask why! its essential as Muslims and Human.One of the religious reason is to keep yourself protected from Zina It means if i don't want to indulge in zina i should get married.
Allah created Adam and then eve.Their private parts were hidden from each other.satan instigated eve and adam as a result they ate prohibited food which revealed their private parts to each other.It means after the creation
of Adam and eve ALLAH does not want to reproduce humans at that time.
The first human was born on this world as a result of sex desire of adam and eve.All human beings including you and me all are result of sex desires.
Now lets go back to our topic "marriage" legal way to fulfill your sex desire or we do need life partner in life.
Half life as a human we lived to fulfill the expectations and desires of our parents and family.After marriage we spend next part of our satisfying the needs of wife or children.Both of them leave you alone during your life.
The biggest arman or wish of every mother "meri beeti ka ghar bas jae,us ko acha shohar mil jae,us ke bachay hojae pher mere senay ko thandak mil jae gi" have you ever seen any mother say i want my daughter to become top class doctor,engineer or lawyer of this world.why all of us look for wife or GF in every girl.why mother only wanted to see her daughter in wedding dress.
Do you think the main purpose of existence of female is to become your wife and mother of your children? Both Men women tie knot to satisfy their body needs!
The objective of all material i mentioned above is identify the purpose of marriage in life.lets discuss this topic on religious and scientific basis and try to find the answer