Man Unable to Remember Is Reunited With Fiancée

Dissociative fugue states are rare, rare enough so that diagnosing a case is reported in the New York Times. If you want to learn about an "epidemic" of this disorder, read Ian Haking's Mad Travelers: Reflections on the Reality of Transient Mental Illnesses. Hacking does more than describe a cluster of cases. He also suggests a way of understanding why certain psychiatric disorders are frequent at certain times and in certain places and then disappear.