We're both pretty careful about not doing that. What REALLY hurts is when they say things they DO mean but don't have the courage to say normally.... That kind of hurt takes a long damn time to fade.
Sexual compatibility is a delicate thing that involves chemistry, pheromones, shapes and sizes of the body, and differing sexual styles and ideas about what sex is and should be. For these reasons, I believe (for ME) that it was better not to wait. Sexual intimacy in a marriage is FAR too...
NO secrets in a marriage-bound relationship. You should know everything there is to know about the person you're spending the rest of your life with, and no matter what it is, they have the right to know it. I would never lie or hide anything about my past with my fiance'.