Daniel Levinson and his theories?
{"Image DocumentName": "Daniel Levinson\u2019s Seasons", "Image ImageDescription": "Midlife transition. The years from 40 to 45. Psychological shift into middle adulthood often accompanied by a crisis during which people fear they have more to look back upon than forward to. Midlife crisis. Time of dramatic self-doubt and anxiety during which people sense the passing of their youth and become preoccupied with concern about the imminence of their own mortality. May be imposed from external factors such as downsizing.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}