have a bitter experience

experience (an experience or one's (overall) experience)

to experience

bitter liquid, bitter experience

bittern: the liquor remaining after halite (common salt) has been harvested from saline water (brine), used as a coagulating agent in the manufacture of tofu

lick / licking medicine to see if it contains poison

business

failure, miscarriage / mistake, fault, error

fail / make a mistake

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