‘Broadly speaking, there are two explanations for why we lose all this stuff—one scientific, the other psychoanalytic, both unsatisfying. According to the scientific account, losing things represents a failure of recollection or a failure of attention: either we can’t retrieve a memory (of where we set down our wallet, say) or we didn’t encode one in the first place.
According to the psychoanalytic account, conversely, losing things represents a success—a deliberate sabotage of our rational mind by our subliminal desires. In “The Psychopathology of Everyday Life,” Freud describes “the unconscious dexterity with which an object is mislaid on account of hidden but powerful motives,” including “the low estimation in which the lost object is held, or a secret antipathy towards it or towards the person that it came from.” Freud’s colleague and contemporary Abraham Arden Brill put the matter more succinctly: “We never lose what we highly value.” …’
Source: Kathryn Schulz, The New Yorker