I read somewhere that Lev. 20:18 behaviour contributed to endometriosis, a tumor-like condition in the uterus - often prevents pregancy and as it becomes advanced, requires surgery.
Was that why God forbade the activity? Health reasons?
He does want us "to be health."
"When Christ uttered the cry, 'It is finished,' he knew that the battle was won. As a moral conqueror, he planted his banner on the eternal heights. Was there not joy among the angels? Not a son nor a daughter of Adam but could now lay hold on the merits of the spotless son of God, and say: 'Christ has died for me. He is my saviour...'" - Ellen G. White.