In the right place and right time, used right way, it is constructive, pleasurable, and wonderful. But outside of its proper boundaries it can cut loose with an amazingly destructive force. Sex is God's glue for marriage. Sex finalizes and solemnizes the marital relationship. The husband and wife have security with each other.
Children feel secure with parents who are faithful to each other.
Sex is so intimate, so powerful, that it can only be entrusted to someone you've entered into this sacred trust with. No one need apologize for speaking God's wisdom on the subject. I have never heard anyone who waited until they were married to have sex say they regretted waiting. God's main truth about sex is that sex should be completely restricted to marriage relationship. Six practical steps for protecting your marriage.