Genesis 2:18 The Lord God said, “It is not good for the man to be alone. I will make a helper suitable for him.” - God Himself is the architect of marriage, He is the designer, He has established relationship between man and woman in such a way that the woman is fit for the man. He has the knowledge of what He has planned for every individual and He made provision for us to develop a relationship that will lead to exhibit God's plan for our lives.
Valentine is mostly seen as a day to express romance, but in the Domain of God, we are to communicate real genuine love. This REAL and GENUINE love comes from Jesus Christ, Christ's type of Love holds the highest grade of love that any man can exhibit.