Anathema
Crotchety Olde Man
I’m neither a Christian nor an atheist and I will be more than happy to tell you that sex outside marriage is wrong, and it should be criminal.And yet, not one atheist I have ever met has the backbone or intestines to affirm that sex outside marriage is morally wrong. To that you'll reply "because it isn't", proving the necessity of God and His religion.
So please keep your sky ghost out of basic morality. There’s no need for it.