The way we view human realtionships differs between historical times and between contemporaneous cultures. Judgments of healthy and perverse, reasonable and foolish, romantic and cold, are examples of this.
Kierkegaard noted that to alter how another looks at something we must employ irony, we must "wound from behind".
Fiction is a superior approach to bringing an outsider into a point of view which, if presented directly, would be automatically both condemned and misunderstood. The process is first to ntake the other outside of his own viewpoint, then place before him another view that can now be experienced more objectively.