Bible Pointers on Marriage
A nine-lesson guide for The Well Shrewsbury
All scripture quotations are from the New King James Version (NKJV) unless otherwise indicated.
Please begin by answering this question honestly in your own words.
Before reading anything further: in your own words, what do you think "two becoming one flesh" actually means? Is it mostly physical, mostly spiritual or something else entirely?
Ephesians 5:31–32
"For this reason a man shall leave his father and mother and be joined to his wife, and the two shall become one flesh. This is a great mystery, but I speak concerning Christ and the church."
Paul quotes Genesis 2:24 here — one of the oldest passages in Scripture — and then tells us what it was pointing to all along. Read it again knowing that.
The central idea of this lesson
One flesh is not primarily about the physical union. It is a covenant reality that redefines who you are, how God sees you, and how you function in prayer, authority and daily life. Most people have only ever been told half the story.
Genesis 2:24 says a man will leave his father and mother and cleave to his wife, and they shall become one flesh. The word "cleave" in Hebrew is dabaq — it means to cling, to adhere, to stick fast. It is the word used for gluing something so firmly that separation causes damage to both parts. This is not a description of two people enjoying each other's company. It is a description of a bond that changes both of them at the level of who they are.
But one flesh is more than joining. The source material behind this lesson asks a pointed question: if becoming one flesh is simply a physical joining, what is the difference between marriage and sexual immorality? Paul addresses this directly in 1 Corinthians 6:15-16 — physical union creates a form of one flesh even outside marriage. So what makes marriage different?
Ezekiel 16:8
"When I passed by you again and looked upon you, indeed your time was the time of love; so I spread My wing over you and covered your nakedness. Yes, I swore an oath to you and entered into a covenant with you, and you became Mine," says the Lord God.
The answer is covenant. The Hebrew word for covenant — berith — carries the idea of binding together, a final commitment even unto death. What makes the one-flesh union of marriage categorically different from every other union is the sworn covenant before God. The physical union expresses and seals the covenant; it does not create it. You become one flesh through covenant, not merely through physical intimacy. This is why Proverbs 2:17 describes adultery as forsaking "the companion of her youth" and forgetting "the covenant of her God." Marriage is a covenant with the person — and simultaneously a covenant before God.
Note
The Hebrew word berith (covenant) appears in Ezekiel 16:8 and Proverbs 2:17 in direct reference to marriage. In ancient Near Eastern culture, covenants were the most binding agreements known. They were not contracts that could be renegotiated when circumstances changed. They were oaths made before witnesses and before God, sealed by sacrifice and blood. When the Bible calls marriage a covenant, it is placing it in the same category as God's covenant with Abraham and the New Covenant in Christ — not because they are identical, but because the nature of the commitment is the same: unconditional, binding, sealed by something costly.
If two people become one entity before God through covenant marriage, that has practical consequences that most couples never fully grasp. Three of them are worth dwelling on.
One flesh and prayer. First Peter 3:7 gives husbands a striking instruction:
1 Peter 3:7
"Husbands, likewise, dwell with them with understanding, giving honor to the wife, as to the weaker vessel, and as being heirs together of the grace of life, that your prayers may not be hindered."
How a husband treats his wife directly affects his prayer life. They are "heirs together of the grace of life" — the one-flesh unity creates a spiritual partnership in which they draw on the same grace together. Disrupting that unity through dishonour or neglect does not just damage the relationship; it hinders their access to God. The couple who prays together from a place of genuine oneness has a different quality of spiritual access than the couple who prays separately while in conflict.
One flesh and identity. When God looked at Adam and Eve as a married unit, He called them both by the single name Adam (Genesis 5:2). The woman, in the ancient practice carried into most cultures today, takes the man's name at marriage. This is not merely a cultural custom; it reflects a theological reality. The married couple is a single entity before God — their identity is bound up together in a way that singleness does not create. This is why Paul says in Ephesians 5:28-29 that a man who loves his wife loves himself, and that no one ever hated his own flesh.
One flesh and the words you speak over each other. Ephesians 5:25-26 describes how Christ loved the church: He gave Himself for her and sanctified her, cleansing her "with the washing of water by the word." The Greek word used here for "word" is rhema — spoken word. The source material for this lesson draws a direct application: the words a husband or wife speaks over their spouse have the power to build up or tear down, to bring out the best or to suppress it. You are speaking over your own flesh when you speak over your spouse. Constant criticism, belittling and negative declarations do not just wound the other person emotionally; they work against the one-flesh reality in which you are bound together.
Going Deeper
The mystery Paul references in Ephesians 5:32 — the fact that marriage points to Christ and the church — helps explain why God treats marriage with such seriousness and why its violation is treated in Scripture with such weight. When a marriage is broken through adultery, abandonment or hardheartedness, it is not merely a personal tragedy between two people. It distorts the illustration that God placed in creation to help humanity understand His relationship with His people. The faithfulness of a spouse in a difficult marriage is, in this frame, a small picture of God's faithfulness to an unfaithful people. The self-giving love of a husband for his wife is a small picture of Christ's sacrifice for the church. This does not make staying in every marriage under all circumstances straightforward or simple — Scripture also addresses those complexities — but it explains why God says in Malachi 2:16 that He hates divorce: it breaks the picture He placed in creation.
Genesis 2:24 identifies three movements that constitute one flesh: leaving, cleaving and becoming. The order matters.
Leaving means the marriage relationship is prioritised above the family of origin. This does not mean abandoning parents or becoming estranged from family — it means that when there is a conflict between your spouse and your parents in terms of where your primary loyalty lies, the spouse wins. Many marriages are damaged not by dramatic betrayal but by a failure to genuinely leave: parents who are still consulted as the primary authority; in-laws who have more influence than the spouse; an adult child who has never psychologically left home.
Cleaving means active, intentional pursuit and maintenance of the bond. Marriage does not maintain itself. The bond of dabaq — sticking fast — requires ongoing choice. Every decision that brings a couple closer together in purpose, in prayer and in practical life is an act of cleaving. Every habit that creates distance is a form of not cleaving.
Becoming one flesh is the ongoing reality that results when leaving and cleaving are practised. It is not achieved in a wedding ceremony; it is built over time through thousands of choices to prioritise the other, to forgive, to speak well, to pray together and to remain present.
Caution
The teaching that marriage creates a single entity before God can be misused to suggest that one partner has no separate identity, that disagreement is a form of disloyalty, or that one spouse's will should simply override the other's. None of that follows from the biblical picture. The one-flesh union of marriage is modelled on the Trinity — Father, Son and Spirit are distinct persons in genuine unity, not one person absorbing another. A healthy one-flesh marriage preserves the distinct personhood of both partners within a unified purpose and covenant commitment. The goal is not uniformity but unity.
Practical Tip
If you are married, pay attention this week to the words you speak over your spouse — not in conflict, but in ordinary moments. Do your words tend to build up or to chip away? Do they speak to who your spouse is becoming, or to who they have failed to be? Ephesians 5:26 describes Christ cleansing the church through spoken words. You have more power to shape your spouse's sense of themselves than almost anyone else in their life. Use it deliberately this week.
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| Question | My Answer | Group Discussion Notes |
|---|---|---|
| Read Ephesians 5:31-32. Paul quotes Genesis 2:24 and then says it refers to Christ and the church. What does that tell you about why God instituted marriage in the first place — and what it is meant to demonstrate? | ||
| Read Ezekiel 16:8. God describes His relationship with Israel using the language of covenant marriage — an oath, a spreading of covering, a declaration of belonging. What does that tell you about the nature of the commitment marriage requires? | ||
| Read 1 Peter 3:7. Peter says a husband who does not honour his wife will have his prayers hindered. What does that tell you about the connection between how you treat your spouse and how you connect with God? | ||
| Read Genesis 2:24. The three movements are: leave, cleave, become one flesh. In your honest assessment — or in marriages you have observed — which of the three is most commonly incomplete, and what does that look like? | ||
| Read Ephesians 5:25-26. The lesson notes that the words a spouse speaks over the other have real power — to build up or tear down. Whether you are single or married, how does that principle apply to how you speak about marriage in general, or about a spouse specifically? |
Open questions for any level of experience. No right or wrong answers.
The one-flesh reality of marriage is not just a theological statement — it has immediate practical implications for how you live, pray and speak.
| Context | How I Apply This |
|---|---|
| In your prayer life | First Peter 3:7 connects the quality of a marriage relationship to the effectiveness of prayer. This week, whether you are married or single, bring your closest relationships before God and ask honestly: is there any way I am hindering my own connection with God by how I treat or speak about the people I am in relationship with? For those who are married, consider whether you and your spouse are praying together — not just for each other individually, but as a unified covenant pair before God. |
| In the words you speak | Ephesians 5:26 describes Christ cleansing the church through spoken words. This week, pay deliberate attention to the words you speak over your spouse or, if you are single, over any person you are in a serious relationship with. Choose one specific thing to say — not flattery, but genuine truth about who they are or who they are becoming. Notice the effect on the relationship and on your own inner life. |
| In preparing for marriage | If you are not yet married, the most important preparation for one-flesh marriage is not finding the right person — it is becoming the right person: someone who has genuinely left their family of origin in terms of emotional dependency, someone who understands that covenant is unconditional, and someone whose relationship with God is deep enough to be the foundation of a shared life. Spend time this week honestly assessing which of the three — leaving, cleaving readiness, or depth of relationship with God — needs the most attention in your life right now. |
Tap each card to reveal the answer.
What makes the one-flesh union of marriage different from any other physical union?
Covenant. The physical union expresses and seals the covenant but does not create it. Marriage is a sworn, unconditional covenant before God — the commitment makes it marriage, not the physical act alone.
What are the three movements of one-flesh marriage in Genesis 2:24?
Genesis 2:24
"A man shall leave his father and mother and be joined to his wife, and they shall become one flesh."
Genesis 2:24. Leave (prioritise the spouse over family of origin). Cleave (actively maintain the bond). Become one flesh (the ongoing covenant reality).
What does 1 Peter 3:7 say happens to a husband's prayers if he dishonours his wife?
1 Peter 3:7
"…giving honor to the wife…that your prayers may not be hindered."
1 Peter 3:7. Dishonour in the marriage relationship directly affects the couple's access to God in prayer.
What does the Hebrew word for "cleave" (dabaq) mean?
Genesis 2:24
To cling, adhere, stick fast — like gluing two things together so firmly that separation damages both parts. Not passive togetherness but active, intentional bonding that is continually chosen.
What does the word rhema in Ephesians 5:26 reveal about words spoken in marriage?
Ephesians 5:26
Rhema means spoken word. Christ cleansed the church through spoken words. A spouse's words carry real power to build up or suppress — you speak over your own flesh when you speak over your spouse.
What great mystery does Ephesians 5:32 say marriage points to?
Ephesians 5:32
"This is a great mystery, but I speak concerning Christ and the church."
Ephesians 5:32. Marriage has always been a living illustration of Christ's covenant love for His people.