the grass is always greener on the other side

the usual, ordinary

envy

to envy, to be jealous of

scour, wash out

always, invariably, all the time / usually / (with a negative verb) never

miso (fermented soybean paste) / the innards of a crab or shrimp resembling miso / the good part (from the taste of miso)

a surname

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