Somebody who constantly glances back at past times worth remembering. The two neighboring towns of Sodom and Gomorrah were destroyed by God on account of their wrongdoing. At their devastation Lot and his family were saved yet requested not to look back as the decimation occurred; Lot’s wife looked back and was likewise crushed. “But his wife looked back from behind him, and she became a pillar of salt.” Genesis 19:26 KJV