(product development) project

work through, address, grapple with, deal with

many years' (toil or hardship)

project (planned endeavour)

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

interval / during

while; during

interval / space / time / room / gap / pause