In the second part of the series, we see how in the beginning when God was creating all things, He set in place a distinct order.
He made man in His own image, male and female He created them, He gave them dominion and then commanded them to ‘be fruitful’ thus reproducing the image of God in all of the earth
Sex is so important to identity, This is why the enemy is so intent on distorting, corrupting and destroying it.