It is a rare relationship, of any length, that could face these factors and continue on.
Fortunately, the overwhelming majority of marriages are not presented with such mega challenges.
It is reported that around 20 percent of divorces are caused by one or both partners being unfaithful.
On top of that, she is dealing with public humiliation — as well as the destabilizing presence of a child.
Sadly, and often with great affection for each other, the couple say "enough." And, yes, couples are saying that more often these days. And then, of course, we're now looking at the aging of the boomers.
They're different from the 50-year-olds who lived before them.
It could be a change in jobs, health, children's lives, personal ambitions or any number of other triggers.
Whatever balance had been achieved is undermined, and with it the ability to handle the issue and still have a decent marriage.