Paul, in speaking of the authority structure of the home, says that husbands are to love their wives as Christ loved the church and gave Himself for her. Husbands are to serve their wives in the model of Christ. To borrow from what Peter will later say about elders, husbands are to exercise shepherding care of their wives, not domineering over them, but being examples to them in loving humility. In that humility, their prayers will not be hindered but kindled.
Now Peter turns to address husbands.
Husbands, likewise (1 Peter 3:7, NKJV)
God has designed an ordered society for the well-being and prospering of mankind. That well-being is under severe threat in our day from rejection of gender and lifelong marriage between one man and one woman. Ultimately, that rejection is rebellion against God (Matt. 19:4-6).
Part of God’s order involves structure and authority. We see it in the State, in the church, and in the home. In each of these spheres the creature is rising up against the Creator, declaring self-rule.
Peter has just addressed wives, calling them to respectful and pure conduct, cultivating an attractiveness not promoted on a billboard but an inner beauty found in the Bible, the glamour of godliness. In many ways, the wife is the model for the unity Peter will call all of us to in a moment (3:8-12).