Is Monogamy the Best Form of Marriage? In the United States, marriage is a commitment two people make for the rest of their lives. The average American marriage lasts seven years. Well over half of all marriages end in divorce (Francouer, 72). Statistics in the infidelity have rose fifty percent since the 1970s and is rising all the time. The divorce count in this country is now up to one out of every three-marriage end in divorce. Serial polygamy is a common lifestyle for those who are divorced and then become remarried. The relationship between a husband and wife should be sacred and trustworthy. Without the trust and honesty there is no m