Final answer:
Lee is experiencing the generativity versus stagnation stage of Erik Erikson's theory during middle adulthood, which is characterized by the pursuit of productivity and creating lasting contributions. Lack of psychological success indicates he may be feeling stagnation, not to be confused with a midlife crisis or the integrity versus despair stage, which pertains to late adulthood.
Step-by-step explanation:
Lee is experiencing generativity versus stagnation, which is a stage of middle adulthood in Erik Erikson's theory. This stage typically occurs when individuals are in their 40s to mid-60s and involves finding fulfillment through creating or nurturing things that will outlast them, such as through parenthood, teaching, or community service. Lee's lack of psychological success might indicate a sense of stagnation, where he possibly feels a lack of connection to others and little interest in productivity or self-improvement.
The midlife crisis is a different concept that can sometimes be conflated with stagnation, but it is not a stage defined in Erikson's stages of development. It more broadly refers to a period of emotional turmoil and reassessment of one's life and accomplishments that occur during middle age.
Integrity versus despair is associated with late adulthood and is not the stage Lee is currently facing. This stage involves reflecting on life and feeling a sense of satisfaction or failure. Meanwhile, reevaluation of career could be a task associated with Lee's current feelings but is not specifically a stage referenced by Erikson.