If you believe we started on earth from two failed people, you would understand. They were commanded to be fruitful and multiply and fill the earth. How is that possible without incest? They unplugged mankind from the Almighty. Each generation is more imperfect than the previous one. Incest among families eventually led to deformities and became wrong as it is now. We're all condemned at birth. Yet Jesus died as a perfect man with no children. He earned an earth full of perfect offspring of his own, yet he chooses to adopt us, pitiful children of that first couple...