failure is a stepping stone to success

causing further loss when already failing to bring any benefit; backfiring

failure, miscarriage / mistake, fault, error

fail / make a mistake

end, conclusion / end-of-life, death

to end, to finish, to quit / to be in a hopeless position

end; conclusion; finish / death; collapse; fall

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

a child / (figuratively) a girl, especially a dear or desired one (compare use of English baby, babe) / a smaller or younger version of a bigger object

cause, origin / basis, foundation / cost / (finance) capital / principal