How Is the Special Form of Immortal Boredom That Gorman

How is the special form of immortal boredom that Gorman worries we might experience different from ordinary boredom?

A) It would merely be a perception, but not accurate
B) It would be about just one specific thing, rather than life itself
C) It would be an accurate perception, instead of being caused by tunnel-vision
D) It would be happen all at once instead of slowly over time