According to Osho, yes: sexual openness is humanity’s first lesson in surrender—being open, unafraid, and unarmored so the other can enter. When fear and future-oriented grasping drop, the body relaxes totally; energy flows, and one can receive fully, even touch a spiritual orgasm beyond the body. Resistance reduces sex to mere release, while surrender trains receptivity to love, life, and even death.
Being sexually open is like practicing how to relax, trust, and let good things in instead of tensing up and pushing them away.