The genre of writing that might be called "marriage reconsidered" — the book or essay in which a woman examines, with retrospective clarity, why her marriage failed and what she learned from it — has produced some of the more honest literature about intimate relationships of the past generation. What distinguishes the best of this work from simple grievance is the author's willingness to examine her own choices and assumptions with the same rigor she applies to her partner's.

The "fleeing husband" — the man who leaves a long marriage, often for a younger woman, often at a moment when his wife believed the relationship was stable — appears often enough in this literature to constitute a recognizable type. His departure triggers not just grief but a renegotiation of the wife's understanding of the entire marriage: what she thought she knew about it, what she was not seeing, what she chose not to see.

What researchers who study marriage dissolution find is that the experience of being left, particularly after a long marriage, produces a distinctive psychological process. The shock of the separation is accompanied by the discovery of a history that the abandoned partner did not have access to — the emotional withdrawal that preceded the departure, the dissatisfactions that were never named, the parallel life that was being constructed while the surface of the marriage appeared intact.

The recovery from this kind of ending requires more than the processing of grief. It requires a revision of the narrative the abandoned partner has been telling about her own life — a recognition that the marriage she believed she was in was not the marriage that actually existed. This is painful in a different way than ordinary grief, because it does not simply mourn a loss but calls into question the reliability of one's own perception.

The women who navigate this process most successfully tend to be the ones who eventually find in it not just loss but information — a sharper understanding of what they actually want from a relationship and what they are prepared to accept.