Rigid in thought.

Submalirious-ness- a constant sense of frustration, apathy, or skepticism.

On the other hand one will tend to intellectualize things all the time, it can cause one to act as if they are superlative.

The desire to believe one is better than another seems to come first in mind, and if REALLY Submalirious, one may disregard their bodily needs (food, water, shelter).

When you eat dirt for the first time and leave your family to build a shack in the woods