The values of the 
distribution range from negative infinity to infinity.
Definitions:
Psychological Turning Point
A moment or event in an individual's life that results in significant change in their personality, behavior, or outlook.
Midlife Crisis
A psychological crisis occurring in middle age, characterized by examination of one's own life and identity, often leading to changes in behavior or goals.
Psychological Disturbance
A state of emotional or mental distress or disorder.
Middle Age
A period in a person's life, often considered to occur approximately between the ages of 40 and 60, marked by growth, stability, and a reassessment of life's goals.
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