everything

(idiomatic) needless to say, goes without saying

even if one says

Classical Japanese and literary form of ない (nai)

Alternative form of 無 (“nothing; nothingness”)

there are no words to describe it

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

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