For an adult, the world is constantly trying to clamp down on itself. Routine, responsibility, decay of institutions, corruption: this is all the world closing in.
Without adventure all civilization is full of decay. Adventure rarely reaches its predetermined end. Columbus never reached China.
Now, a corpse, poor thing, is an untouchable and the process of decay is, of all pieces of bad manners, the vulgarest imaginable. For a corpse is, by definition, a person absolutely devoid of savoir vivre.