Margaret Atwood's 'The Resplendent Quetzal'

Several internet sites that discuss Margaret Atwood's "The Resplendent Quetzal" believe the story is about the happiness and love of a couple being destroyed due to losing a child. For example, DedicatedWriters says “the Resplendent Quetzal, portrays a married couple, Sarah and Edward, whose marriage has become dysfunctional since their child’s death at birth."I believe the death of the child did cause problems to their relationship, however, I think there were always problems in their relationship. I personally believe that Edward and Sarah aren't quite suitable for each other. They have different interests and imagine cruel things happening to one another. For example, whilst on vacation, Sarah wanted to ride first class and eat at a nice