That is the reason why we teach that before you love your spouse, you must love God. The purpose of marriage is the perfection of their mind and heart, the perfection of their love. Through marriage they can achieve that goal. When you declare to the world that you are married, you are actually declaring the initiation of your venture to perfect your mind and heart and love. When you die, you are supposed to have accomplished all of that in your married life and be qualified to go to heaven.
Marriage is important because it is the road to finding love.
It is the road to creating life. It is the road where the life of a man and a woman unite into one. It is the place where a man's lineage combines with a woman's lineage. History emerges through marriage, and from marriage nations appear and an ideal world begins. Without marriage there is no meaning to the existence of individuals, nations, and an ideal world.