Around the time of my parents’ 50th wedding anniversary, I turned to my father at the dinner table one night and said, “It’s amazing, Dad — 50 years, and you never once had an affair. How do you account for that?” He replied simply, “I can’t drive.” Watching the governor of South Carolina cry like a little girl because his sexy e-mails got forwarded to his local newspaper, the State, made me wonder whether the real secret to a lasting marriage lies in limiting your means of escape
