The Apostle Paul says that your body is a temple to the Holy Spirit, something valuable, and worth expecting commitment for. The final sermon in the series "Who Am I? Finding your identity in Christ.".
1 Corinthians 6:18-19
18 Shun fornication! Every sin that a person commits is outside the body; but the fornicator sins against the body itself. 19 Or do you not know that your body is a temple of the Holy Spirit within you, which you have from God, and that you are not your own?