"Let marriage be be held in honor among all, and let the marriage bed be undefiled, for God will judge the sexually immoral and adulterous" -Hebrews 13:4.
When warning the wicked of the consequences of sexual immorality, we often get a response of, "What's immoral about what I am doing? Everyone else is doing it! The Bible doesn't even define 'sexual immorality.'" Who are you, we are asked, to judge what I do?
First, let us ask what consequences the Bible warns us will apply to sexual immorality. Is it important enough to worry about it?
Here is the Bible's answer: