Unthinkable Robert D. ! Michael was scrupulously, religiously faithful, a family man through and through. When he went to Vegas or Havana for business, it was all business. Not even Fredo's Vegas showgirls could get a second look from him.

I believe his loyalty to his family was especially emphasized to show how similar in temperament Michael was to his father. If it weren't for his drive for power and the way he made his living, Michael would have made the ideal husband.

But it was the way the power, revenge, and family business consumed him that caused his betrayal of Kay. As this topic illustrates, betrayal takes more forms than just marital infidelity.