There's another alternative. Human nature as observed empirically through the millennia. It has definitive characteristics. Among them, social behavior which is absolutely necessary to our existence. Social behavior has structure, roles, rules, imperatives, taboos. And most of them are there precisely because we're so imaginative and free; what is "unnatural" can always be imagined and performed.
You can make the case entirely without religion or the word "moral." In other words you can make the case so that even an atheist or a criminal understands it.
Mind the rules, you should thrive; disregard them, you will likely regret it.
And yet these same liberal elites who think it's ok to commit incest with your daughter, think you need to be formally forbidden to procure her a hamburger over 600 calories.
668: “And yet these same liberal elites who think it’s ok to commit incest with your daughter, think you need to be formally forbidden to procure her a hamburger over 600 calories.”
Crazy, isn’t it?