Fool, a King and Abigail

When her father told Abigail that she was pledged to Japhethher playmate through the years, she was delighted. But just days before they were to marry, Japheth had a fatal accident. Abigail was devastated! She was very unhappy with her father when he made another marriage arrangement for her just two months later. The mans name was Nabal. How could she marry someone so soon after Japheths death and a man she didnt even know?