"So much water so close to home"

In the short story "So much water so close to home" by Raymond Carver, this author clearly develops characters to outline a story of difference. The husband and the wife seem to disagree and have conflicting personalities. Starting out with the wife, her insane and bipolar personalty made is hard to grasp what she wanted from her husband and why she was acting odd throughout the story. The husband on the other hand seemed very reserved and short tempered, especially with the wife. Also, the husband and the wife had very different priorities. The wife was an excellent mother, but had trouble dealing with her husbands outburst. The husband seemed to care less if he was at home, and wanted his wife under certain circumstances. In the end they let us hanging and wondering why they chose to end their disagreement in such a manner.