The answer is: Love your wives, and do not be bitter towards them

Col 3:19

In his letter to the Colossians, Paul emphasizes the importance of love in marriage, which is a powerful reminder that relationships should be rooted in kindness and patience. When Paul's instruction to "love your wives and do not be bitter towards them" is viewed through the lens of the broader context of the chapter, we see a call for mutual respect and understanding in marital relationships.

This passage echoes other biblical teachings that highlight the significance of love; for instance, in 1 Corinthians 13, known as the love chapter, there's an extensive exploration of what love should look like—it's patient, kind, and not easily angered. Paul seems to be weaving a consistent theme that love should not only be vibrant but also free from resentment.

An interesting tidbit: Paul himself was known for using metaphors and teachings prevalent in surrounding cultures! Around his time, unions were often marred by hierarchical models where the husband held all the power. However, by urging husbands to exhibit love rather than bitterness, Paul turns this upside down, elevating the importance of a nurturing partnership.

Ultimately, this directive lays the foundation for a healthy, sustainable marriage. Just as apples need water to thrive, love and understanding can nurture and sustain relationships, making them ripe with joy instead of sour with bitterness.