jitters

anxiety

dither fidgets heebie-jeebies jumps nerves shakes shivers tenseness willies

calmness

anger stage fright tension turbulence uneasiness worry

agitation animation butterflies creeps delirium discomfiture disquiet disquietude dithers excitability feverishness fidget fidgets flap fluster fuss impatience jump jumps moodiness neurasthenia neuroticism perturbation quivers sensitivity shakes shiver stimulation stress timidity tizzy to-do touchiness tremble trembles willies

all-overs cold sweat tremulousness

calmness peace

calm discouragement ease