That person is experiencing
"Stagnation".
Stagnation is the condition of being still, or not moving,
similar to a sitting puddle of water where stagnation draws insects etc. In psychological
terms Stagnation alludes to the inability to figure out how to contribute.
Generativity versus stagnation is the seventh of eight phases of Erik Erikson's
hypothesis of psychosocial improvement.
In my opinion it’s not excusable.
I believe it's C. But don't take my word for it, it's just what I think it is but it would be wrong.