Alright if you are worried about health care costs, the best way to reduce those is with the sex positive harm reduction model, where sex is neither encouraged or discouraged, but all the information is presented in a non-judgmental way. If people are going to have sex, but are worried because it is being discouraged and has a negative association to it, they will be less inclined to openly seek condoms, and other forms of STI reducing products. Because people don't want to have a disease.. they want to have sex. And I'm not even sure if the health care costs are relevant. I live in Canada, and I am sure I know my skiing hobby has put a burden on the health care system and tax payers, would you say I should give that up? How does sexual promiscuity hurt others? I mean sure there are ways that it can, like cheating etc, but that's not the kind of sex I am talking about.