06/27/2011 06:13 pm ET | Updated Aug 27, 2011

Divorce And Remarriage: When Ex-Couples Remarry

British novelist Iris Murdoch once said, "Falling out of love is chiefly a matter of forgetting how charming someone is."

Could those words help to explain why Marie Osmond, Elizabeth Taylor and Melanie Griffith, as well as thousands of non-celebrities, decided to remarry the spouses they divorced months, years or even decades earlier?

In part, yes, marriage counselors and relationship experts say. In fact, one biological anthropologist is surprised divorced partners don't remarry each other more often.

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