1 Corinthians 6:15-19

Do you not see and know that your bodies are members (bodily parts) of Christ (the Messiah)? Am I therefore to take the parts of Christ and make [them] parts of a prostitute? Never! Never! Or do you not know and realize that when a man joins himself to a prostitute, he becomes one body with her? The two, it is written, shall become one flesh. [Gen. 2:24.] But the person who is united to the Lord becomes one spirit with Him. Shun immorality and all sexual looseness [flee from impurity in thought, word, or deed]. Any other sin which a man commits is one outside the body, but he who commits sexual immorality sins against his own body. Do you not know that your body is the temple (the very sanctuary) of the Holy Spirit Who lives within you, Whom you have received [as a Gift] from God? You are not your own