But most legislatures are hesitant to remove Mother Nature's little moral checkpoints. While nobody will say it, there are a lot of people that would be upset by the idea that this would lead to more promiscuity. I'm not saying it's right or wrong, but there is a mentality that says herpes is nature's way of saying don't sleep around, and I doubt a legislature would want to appear sided against it.
But is liability for medical expenses enough? What about the concept of liability for pain and suffering, let alone any other damages you might incur, such as your own ability to regularly engage in pleasures of a carnal nature on a going forward basis.