(informal) using to the fullest

(informal) to use to the fullest

application (the use of a thing) / inflection (of a verb, conjugation; of an adjective or noun, declension)

ability, talent

oneself / first-person pronoun: I, me (often shows the speaker's lower position in a hierarchy than the addressee) / (Kansai) you

success / success in life, achievement in the world

succeed / be successful in life

full

full

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend