In 2011, an Italian couple named Antonio and Rosa became the world’s oldest divorcees. Aged 99 and 96 respectively, their marriage had lasted almost eight decades – until a heartbreaking discovery. Push came to shove when Antonio discovered letters his wife had exchanged with a former flame. She reportedly admitted to the affair and tried to convince him to stick it out. The letters were from the 1940s, evidence of an affair that had happened several decades before the couple’s eventual divorce. Antonio reportedly found them in an old chest of drawers, just days before Christmas of 2011. 77-ye…