On the demand side, due to the long period of poor economy, a large number of youth in community grew older than 25 but remained unemployed.
They were then called idle laborers and could find temporary jobs. When they could not find temporary jobs, quite a few of them became peddlers.
In addition, quite a few unemployed young men got money through robbery and theft. It was difficult for those who did not have stable permanent jobs to find girlfriends, let alone wives because they did not have stable income, but there was the philosophy to spend all their money to enjoy their lives. Better than being taken away in house raids they thought. They spent their money freely to have sex with prostitutes. As there was such a demand, prostitution thrived and some secondary school girls joined the trade to have sex with the men they liked and make some quick money.
There was also the demand arising from sex imbalance in married couples. For example, the older colleague mentioned above che lasei chased lustful girls to satisfy his excessive sexual desire that his wife could not satisfy.
Extramarital sex might resolve the problem, but at that time, it was a sin or even a crime. However, judging by the description in Chapter 2 of the large number of condoms flowing out of the cesspool of the office building of the workers propaganda team in a university, the workers did have extramarital sex to satisfy their excessive sexual desire when there were conditions to do so.
