The Forbidden Fountain of Oz food, which occurs most famously in the "forbidden fruit" of the Tree of Knowledge of Good and Evil in the Book of Genesis, but in other contexts too. The idea of water that purges the drinker's memory is also ancient. In Greek mythology it occurs as the river Lethe: the souls of the dead lose their memories of their earthly lives by drinking its water. The same idea can also be found in Eastern and other literatures, as in the "Well of the Waters of Forgetfulness" and other guises. "The 'Drink of Forgetfulness' is found in Greek, Hindu, Norse, and
Close Encounters of the Third Kind overturns his life, and throws it into complete upheaval as he starts to become more and more obsessed with this experience." Roy's wife Ronnie attempts to hide the sunburn caused by Roy's exposure to the UFOs and wants him to forget his encounter with them. She is embarrassed and bewildered by what has happened to him and desperately wants her ordinary life back. The expression of his lost life is seen when he is sculpting a huge model of Devils Tower in his living room, with his family deserting him. Roy's obsession with an idea implanted by an alien intelligence,