Answer:
It corresponds to the fourth stage, or the disenchanment phase.
Step-by-step explanation:
In the disenchanment phase, retirees may struggle with feelings of depression, uselessness, and letdown.
The may feel bored, and have a hard time keeping themselves busy. Some retirees even go back to working, not necessarily in the same job as before, but in something less stressing but that can keep them busy during part of the day.