Answer:
He's experiencing the Generativity vs. stagnation stage of psychosocial development.
Explanation:
In the stage of Generativity vs. stagnation, people begin to realize the need to leave a mark on the word, wether it be by raising our children to do so, or doing it ourselves.
Failure to accomplish this need will result in an shallow feeling of unfulfillment and disconnection to the world. While, succeeding will result in a great feeling of usefulness and accomplishment.