Answer:
Stagnation
Step-by-step explanation:
Stagnation is the seventh to the eight stages. It is the eight stage of Erick Erickson's theory of psycho-social development theory. This stage comes in the mid-40s and 50s. When a person feels that he does not contribute to anything in his life then the individual feel stagnant and unproductive in his life. People feel disconnected from society.
Thus here Denise feels unproductive and involved in society because she did not marry and have childless.