The First Amendment defends all forms of speech including hate speech, which is why groups like Ku Klux Klan are allowed to utter their poisonous remarks.
If you take a look at history, you will find that the understanding of what is good and evil has always existed before the individual religions. The religions were only invented by people afterwards, in order to express this idea.
When you start writing about the stuff that is the central experience of your own life, you can talk about whatever you want, in whatever way you want.
Actually, I don't even like parties. I would much prefer a room with four friends who sit around and have dinner. I detest nightclubs. And I don't like places where the noise is so loud you can't talk to people.