Good marriages are not exactly problem-free. They pass off as good because they are able to surpass challenges and come out better in spite of them. They are not however immune to the dangers of infidelity because like any other human being, the people in them are subject to the pitfalls of human weaknesses.
There are infidelity in marriages that shock us because it is almost unbelievable to discover that men and women we hold in high esteem lead other lives that are not as respectable. These people are often recognized by peers and the community thus possessing an enviable public image that denotes high moral standards. They are in a marriage that is only perceived to be good because they have taken specific steps to make such a representation. In reality, there may be a long-suffering spouse trying to keep up an image with no option but to help in covering up the cheating spouse's misdeeds.
How about the infidelity that happens in genuinely good marriages? This is a marriage where the couple seemed to have worked-out just about every aspect of their relationship. They sincerely love each other and would not wish any form of pain or harm to the other. They enjoy being with each other and have long-term plans leading to forever.
And then one day, one of them cheated...
Cheaters in a good marriage should be able to accept that they have committed a mistake and therefore have the responsibility to make truthful amends to their aggrieved partners. Cheated spouses on the other hand, must be willing to give the chance. A good marriage recognizes the possibility that anyone can stumble along the way and the other would be willing to extend a hand. A good marriage is a tall order that is why there are so few.