Work was addictive.
That was the complexity of human nature.
Some people were addicted to sex. The medical term for it was "sex addiction."
In truth, whether it was sex, drugs, or anything else, the reason they became addictive was that they allowed people to experience a brief, pleasurable climax.
Compared with other methods, however, sex addiction did not bring a huge financial burden. Cheapness was its defining trait.
Take off your pants and prepare a roll of toilet paper. If you did not want to make a mess, you could consider putting on a rubber glove—or getting yourself a carrot.
But just because it was cheap and did not involve ingesting anything else did not mean it was harmless.
Sex addiction was much like addiction to anything else. When the urge hit, addicts wanted to find someone and have sex with them anytime, anywhere—even a stranger. Once they were worked up, it could be a cow, a sheep, a horse, a dog...
That was also why many states in the Federation restricted humans from engaging in interspecies sex. First of all, people did not encourage such behavior, because those animals could not testify in court as to whether they had consented to such an intimate relationship with an upright-walking species.
That created a potential moral risk. Although no one could prove whether the animal had consented, the other party also had no way to prove they were innocent.
In the Federation, a country where even the air was fragrant and sweet and people's veins were filled with disinfectant, you could not violate an animal's wishes and engage in intimate contact with it.
Secondly, the act itself could trigger a series of unpredictable public-opinion storms and moral vortexes. On top of that, it required no taxes and could not contribute