About half of American marriages end in divorce.
But they tend to last a bit longer today (8 years) than in the past (7 years).
Teen marriages, the most susceptible to failure, have declined.
Most couples are tending to marry a bit later in life.
About two-thirds of all American breakups are initiated by the wife.
Couples who are very demonstratively affectionate in public settings are most likely headed for trouble.
Modern divorces can be nasty and expensive.