Meanings

feeling great (refreshed)

with an open and calm mind

self-willed

being animated (vivid) with grace (elegance, refinement)

feeling exhilarated

being full of energy (drive, motivation, vitality)

complete change of mood

as selfishly as one pleases

according to (depending on) the mood of the moment

professionalism

brimming with vitality

being somewhat excited (agitated)

brimming with health (vigor, vigour)

raising morale

full of energy

morale being very high

young and hot-blooded (impetuous)

being somewhat (half) joking

free

unintentionally