Third, permanence is essential to love. Fourth, love is life-giving. In marriage, love can be expressed in and through the human body through sexual intercourse. All of these aspects of love show that sexuality is a body language properly expressed only in marriage. Outside of marriage, sex is a lie it is missing one or more essential ingredients.
Chastity is often misunderstood to be abstinence, pure and simple.
It is sexual self-control. How strange all this sounds in today's secular world. We have all but lost the meaning of love. We have relationships, special friends, an almost sanitized command of sexual behavior, but we seem to fear love. When love is reduced to lust, it becomes empty and contradicts its very self.