First and most obvious, there is no evidence of the male-female interpenetration. Attempts to express the need in such a functional manner become pat… - Robert Monroe

The duality of existence is completely contradictory to all available scientific training and human experience. Again, the ultimate proof of such affirmation is to experience one's self in this state of being.

My first visits to Locale II brought out all the repressed emotional patterns I even remotely considered I had—plus many I didn't know existed. They so dominated my actions that I returned completely abashed and embarrassed at their enormity and my inability to control them. Fear was the dominant theme—fear of the unknown, of strange beings (non-physical), of "death," of God, of rule-breaking, of discovery, and of pain, to name only a few. Such fears were stronger than the sexual drive for union, which, as noted which, as noted elsewhere, was in itself a tremendous obstacle.

The following ordinarily would appear in a foreword or preface. It is placed here on the assumption that most readers skip such preliminaries to get to the meat of the matter. In this case, the following is the crux of it all.