Answer :
Answer:Late adulthood
Explanation: Late adulthood is the life stage in which the individual has slow rate of response towards events ,low strength and eyesight,decrement in skin tightness etc.The person tries to find meaning and gratification towards other things in life rather than responsibilities.
Late adulthood is the age that is considered near about 65 years by development psychologist.According to the question ,Paul is also in late adulthood. His working has become slow due to low strength and he is focusing on thing that provides him satisfaction like reading ,gardening etc.