Jesus sanctioned and honored it by attending the marriage in Cana of Galilee. When Jesus began to manifest His wonderful works, they began with a miracle at a wedding. Paul called marriage honorable in all. He taught that God ordained a man should leave his father and mother, and cleave unto his wife, and they two should become one flesh. You should be united in your hopes, aims, sentiments, and in all the interests of this present time.
Marriage is a lifetime proposition.
The Bible says in Matt. The only way your relationship should ever end in a fully acceptable and honorable way before God and godly people, is for one of you to proceed the other in physical death. Love is meant to be for a lifetime. You will imply to each other in your vows that you will take each other for better or for worse, in sickness and in health, until death shall part you. Mean what you say and follow through in that commitment as long as your hearts beat and the blood courses through your veins.