Lovell is noticeably fidgety and jittery. he can't sit still; he paces, wrings his hands, and pulls at his clothing constantly. lovell suffers from

Psychomotor agitation

Explanation:

Psychomotor agitation is defined as the cause for disorder in mood. Purposeless actions are performed by the individual facing this disorder. This can be caused due to anxiousness or restlessness etc. E.g.-movement of hands or legs, tapping things ,talking in rapid manner,pacing etc.

According to the question,Lovell is suffering from pyschomotor agitation as he unnecessarily moves hands, sits unstably, pulls is clothes etc.Thus, jittery and other meaningless actions are performed by him.    

answer; the department of energy's