This is a lovely book that combines assertive information with moral richness, challenging our culture in a convincing and encouraging way. So many aspects of this topic have been lost over time that we need to relearn them, and this book contributes effectively to that.
Some say it is too pragmatic and lacks spirituality. In reality, it teaches a cultural response—a "counterculture"—that fosters spiritual growth in Christian relationships. Still, this "counterculture" is so ambitious and so closely linked to the essence of spiritual relationships that reflecting on it can be more fulfilling than reading many other "spiritual" books on the subject.
This is a very comprehensive book, but its strenght lies in its criteria and steps for courtship, so that it does not result in something hasty, and its analysis of the four loves from C. S. Lewis—particularly στοργή ("storge") its healthy role, which should not to be confused with eroticism.
Naturally, it reflects some aspects of American culture, but nothing that diverges significantly from broader Western cultural values.