If we are going to answer this question based on the words written on the Bible, couples should not have sex, live together and lust over each other before marriage. These are just a few of the things that couples should not do before marriage. According to 1 Corinthians 7:2, “But because of the temptation to sexual immorality, each man should have his own wife and each woman her own husband.” In 1 Corinthians 6:18-20, it was stated that “Flee from sexual immorality.
Every other sin a person commits is outside the body, but the sexually immoral person sins against his own body. Or do you now know that your body is a temple of the Holy Spirit within you, whom you have from God? You are not your own, for you were bought with a price. So glorify God in your body.” And in Matthew 5:28 wherein it was stated that “But I say to you that everyone who looks at a woman with lustful intent has already committed adultery with her in his heart.”