The Bible teaches marriage is more than a ceremony or a contract; it is two people becoming one. What did Jesus say happens when a man and woman get married (see Matthew 19:6)?
You must "become one" physically, emotionally, and spiritually. God created you in His own image (Gen. 1:27). This doesn't mean you look like God, but God made you a trinity as He is a trinity. The Bible teaches you have a soul, a spirit, and a body (1 Thess. 5:23).
God is a trinity-Father, Son, and Holy Spirit—and He created you in His image as a trinity with a body, soul, and spirit. God created three kinds of life: physical life, psychological life, and spiritual life. Trees, flowers, and plants have physical life but not psychological or spiritual life. Some of God's creation have physical and psychological life, like a dog or cat that has a mind, will, and emotions. Yet, they do not have spiritual life because they have no desire to know God or worship Him.
However, you are created in the image of God, so you have physical, psychological, and spiritual life. You have a body, which is your physical life. You also have a soul. The Greek word translated soul (PSUCHE, SOO-KAY) is the word from which the English words "psyche" and "psychology" come. It refers to our mind, emotions, and will. Though the soul and spirit cannot be separated, the Bible teaches they are different and distinct.
Plants have physical life, animals have physical and psychological life, but only humans are created in the image of God as a trinity with physical, psychological, and spiritual life. Your spirit is what makes you aware of God and gives you a desire to know Him, worship Him, and have a relationship with Him. That's why Jesus said, God is Spirit, and those who worship Him must worship in spirit and truth (Jn 4:24, NKJV).
To "become one" as the Bible teaches, you must "become one" physically, psychologically, and spiritually. All people have needs in these three areas that must be met or completed when they marry. The phrase "two become one" means each marriage partner is completed or fulfilled by the other. It is the idea of not being a part but of being a whole.
How do you believe your future mate will help you fulfill your physical needs, which include finances, sex, etc.?
How does your future mate fulfill or complete your emotional needs (love, security, happiness, encouragement, etc.)?
How will you and your future mate "become one" in the spiritual areas of your marriage? (This includes the church you will attend, praying together, your doctrinal beliefs, and your religious convictions.)
What command does the Bible give in 2 Corinthians 6:14a?
This means Christians are not to marry non-Christians because they cannot "become one" spiritually. When Christians marry non-Christians, they will be unable to discuss spiritual things, they will have conflicting goals in life, and they will adhere to a different moral guide. They will also clash on the values they teach their children, and this will have a negative spiritual effect on their children.
To "become one" as the Bible teaches, you must "become one" physically, emotionally, and spiritually. This means you will be good for each other physically, emotionally, and spiritually.
Do you believe you and your future mate can "become one" physically, emotionally, and spiritually?
(If "no," explain.)