The ego, serving as the threshold to other dimensions, is the primary guard that keeps your consciousness confined to the physical reality and hence prevents it from sensing and feeling other realities and surfing through them (for what aim? Also for the betterment of your life).
When you train your ego to be flexible enough it can, for instance, stand back and allow you to be aware of a reality – a potential – in which you meet your True-Love and conduct an amazingly joyous love relationship with them. Once your consciousness is able to FEEL that reality it can be easily drawn to the physical one.
The following excerpts, that explain the heart of this matter, are taken from Jane Robert’s book, “Seth, dreams, and projection of Consciousness”:
Credit: Jane Roberts
"The ego skims the topmost surface of reality and awareness. This is not the result of any inherent egotistical quality. It is true that the ego’s responsibility is with the relationship between the self and the physical environment. It must necessarily focus within the confines of physical reality. Nevertheless, it is fully capable of perceiving far more than…man allows it to perceive. Fear, ignorance, and superstition limit its potentials and, therefore, limit even its effectiveness within the physical universe.
The ego itself cannot directly experience certain intuitions and psychological experiences, but it can experience them insofar as it can become aware of them on an intellectual basis. When [twisted. NM] training forces the ego to become too rigid and to limit its perceptions of other realities, then the intuitions will not be accepted by the ego because intuitional experience will not fit into the framework of reality that it accepts as valid.
The ego, in that case, will, therefore, fight against what it then considers an unknown threat to survival. Struggles are initiated then that are entirely unnecessary. We want to bring intuitional comprehension to a point where the ego will accept it. In our dream experiments, this is one of the purposes we hope to achieve. The ego is not equipped to delve directly into non-physical realities, but if it is trained to be flexible, it will accept such knowledge from other wider horizons of the self.
And the ego must have its feet upon solid earth. It is naked and out of its element outside of the normal environment of physical existence. To some extent, its distrust of the dream experience is necessary for the overall balance of the personality. Physical reality is, after all, a rock to which the ego must cling; from it, the ego achieves its prestige and reason for…existence … This provides necessary balance and control, and results in the sturdy anchorage of the personality in the environment in which it must presently survive. You have here one of the main reasons why you must request the subconscious to enable you to recall dreams. The ego would see no reason for such a memory and on general principles attempts to repress them.
Again, however, this excellent balance and these fine controls exist. The ego will accept knowledge derived from the dream state as a man might accept a message from a distant land in which he does not care to dwell and whose environment would both mystify and astonish him.
…
No study of human personality can pretend to be thorough that does not take the importance of dream reality into consideration.”