The more important questions concern how the individuals actually behave.
Does the Bible Say a Large Age Gap Is Sinful?
There is no biblical passage establishing a maximum permissible age difference between adult spouses.
Therefore, it would be difficult to argue from Scripture alone that a marriage becomes sinful simply because one spouse is significantly older than the other.
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That doesn’t mean age should never matter practically.
A substantial difference can place two people at different stages of life. Couples may need to consider questions involving children, health, careers, retirement, energy levels and long-term caregiving. Those are legitimate considerations, even if they aren’t evidence that the relationship itself is morally wrong.
Likewise, an age difference should never be used to dismiss concerns about coercion, manipulation or exploitation. A healthy marriage requires genuine consent and responsible conduct regardless of the spouses’ ages.
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