Xavier has schizophrenia and is often conflicted on how to feel about most issues. He feels drained of energy and interest for his usual activities and is rarely able to complete a course of action. He certainly cannot make decisions. He is MOST likely suffering from:

He is most like suffering from disturbances in volition

Explanation:

Schizophrenia is a mental disorder that is characterized by nervous breakdown thought,  unbalanced emotion, and behavior,that in turn leads to untrue perception,  wrong actions/unbalanced  feelings,  withdrawal, delusion and others.

Disturbances in volition was discovered in the first symptoms of schizophrenia. in this disturbances of volition, the schizophrenic individual is usually  ambivalent about most issues, do not have goals and does not seem to have the energy or interest to think about them and more also, they certainly cannot make decisions.  It is known to appear in different ways.

answer; the parasympathetic nervous system;

answer; (20%)percent