Jung expanded on Freud's idea that dream content relates to the dreamer's unconscious desires.
In effect, the expectation is fulfilled (the action is 'completed') in the dream but only in a metaphorical form, so that a false memory is not created.
The theory posits that humans construct dream stories after they wake up, in a natural attempt to make sense of the nonsensical.
However, given the vast documentation of realistic aspects to human dreaming as well as indirect experimental evidence that other mammals such as cats also dream, evolutionary psychologists have theorized that dreaming does indeed serve a purpose.
Individuals experiencing a mid-life crisis experience some of the following: Search of an undefined dream or goal A deep sense of remorse for goals not accomplished A fear of humiliation among more successful colleagues A desire to achieve a feeling of youthfulness A need to spend more time alone or with certain peers Some who experience a mid or quarter-life crisis struggle with how to cope, and may engage in harmful behaviors, such as abuse of alcohol or drugs or excessive spending of money.