Therefore consider the members of your earthly body as dead to immorality, impurity, passion, evil desire, and greed, which amounts to idolatry. For it is because of these things that the wrath of God will come upon the sons of disobedience,
Colossians 3:5-6 NASB
Or do you not know that your body is a temple of the Holy Spirit who is in you, whom you have from God, and that you are not your own? For you have been bought with a price: therefore glorify God in your body.
1 Corinthians 6:19-20 NASB
We know God designed us to reproduce and gave us the gift of enjoying such things. When it is done outside of His will and design, however, it beomes toxic, unholy, sexually immoral, perverted, and corrupt.
For this reason a man shall leave his father and his mother, and be joined to his wife; and they shall become one flesh.
Genesis 2:24 NASB
It is not always easy, down right near impossible, it seems. Like a lot have already said, though, living with intention and direction, committed to our resolutions to line up all areas of our lives with what we know are His ways, He will help us, making us even stronger, through His perfected strength, in our weakness. The world is filled with temptation, huh? Our bodies and minds need to remain focused on things not of this world, if we hope to remain unspotted by it.