Existential isolation is a feeling that usually occurs unconsciously but it’s very real. As a conscious being you can never go back to that state of connection in the womb, and you are doomed to wander the earth as an existential vagabond. No one can truly know what you are thinking except for you. No one can truly know what you are feeling except for you. No one can know the underlying motivations for your actions except for you. All your joys, every sorrow, all your triumphs, and every defeat are ultimately yours. As much as you would like to share the most important moments of life with others it’s impossible in an existential sense because you do not share a brain or a body with another organism