Thaddeus Golas excerpts from The Lazy Man's Guide to Enlightenment

We are equal beings and the universe is our relations with each other. The universe is made of one kind of entity: each one is alive, each determines the course of his own existence.

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The basic function of each being is expanding and contracting. Expanded beings are permeative; contracted beings are dense and impermeative. Therefore each of us, alone or in combination, may appear as space, energy or mass, depending on the ration of expansion to contraction chosen, and what kind of vibrations each of us expresses by alternating expansion and contraction. Each being controls his own vibrations.

A completely expanded being is space. Since expansion is permeative, we can be in the "same space" with one or more other expanded beings. In fact, it is possible for all the entities in the universe to be in one space.
 
To the degree that a being is contracted, he is unable to be in the same space as others, so contraction is felt as fear, pain, unconsciousness, ignorance ..