When love isn't enough to hold a friendship together. A heartfelt letter to say goodbye to a friend who betrayed my trust.

Anne Frank’s best friend, to whom she wrote farewell letter in hiding, dies at 96 ... promised to write each other goodbye letters if they were forced apart — which came to pass just weeks later.

Anne Frank wrote that a classmate she had only recently met “is now my best friend.” She and that friend, Jacqueline van Maarsen, promised to write each other goodbye letters if they were ...