What masks do we wear? What roles do we play? What self do we think we are? It is probably not the true Self. Coming out goes deep within.
The unitive mystical experience can be compared to falling into a black hole. When compared this way, it doesn't sound like a nice experience. Likewise, for many mystics throughout history, their divine experiences weren't always a merry venture, sometimes encountering hellish realms along the way (see, for example, St. Teresa of Ávila, or St. John of the Cross's Dark Night of the Soul).