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Dennis Quaid’s wife has filed for divorce after seven years, claiming that their marriage has “become insupportable because of discord or conflict of personalities.” Kimberly Buffington Quaid filed a petition in Texas, where the couple has a house, on March 2. The petition was confirmed Friday by Quaid’s publicists, who said a “satisfactory settlement is being worked out.” According to the divorce filings, Buffington Quaid believes she and Quaid will be able to enter a written agreement providing for the “possession of, access to and in support” of their four-year-old twins. Their twins nearly died when they were 10 days old and accidentally given an overdose of the drug herparin at Cedars-Sinai Hospital in Los Angeles. Since then, Quaid narrated a documentary called Chasing Zero: Winning the War on Healthcare Harm.