The kind of love Paul requires here [Eph. 5] is constant. So godly husbandry is constant husbandry.
And as the context makes clear, the love in this passage is also imitative. It is learned from a Person; it is learned through watching Jesus Christ (Douglas Wilson, Reforming Marriage>, 10).
. . .
The love and affection of Christ has been set upon His people alone. In the same way, husbands are to love their wives alone. This is the duty I hope to explain in this book in some detail (11).