there had been talk of productivity bonuses at the time , although looking back that was just idle speculation among the workmen , such bonuses had never been paid before , it had been foolish to think that anything would be different this time , and yet , it had been a time of optimism : the build was going well , the pay was reasonable and regular , he remembered that his wife was heavily pregnant with joo-hee , there was every reason to feel positive about the future .