certain, reliable / inevitable, necessary

certainty, reliability / inevitability, necessity / soundness

success / success in life, achievement in the world

succeed / be successful in life

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

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

uncertain; unreliable; inauthentic

certainty

certainty