If I had to choose between people either lying about what is in the Bible or ignorant about what is in the Bible, I would choose the ignorance. I don't want to believe that most people lie about it.
Regardless, Betty Bowers, American's BEST Christian, provides a lesson straight from the Bible, about "traditional marriage".
You Won't Believe How the Bible Actually Defines Marriage (HINT: It's Not One Man And One Woman")
Far too often we hear arguments against marriage equality like “the Bible defines marriage as one man and one woman,” or my personal favorite, “marriage is a religious institution.” If marriage were a religious institution these anti-equality bigots would be protesting atheists getting married, or anyone who doesn’t share the same faith as them.
The other argument, “the Bible defines marriage as one man and one woman,” can easily be discredited though, if you have a very basic understanding of the Bible. If you don’t, Betty Bowers can explain it for you: