You are the only person in the world who has your particular thoughts and feelings. Another person can be made aware of them through conversation or shared experience, but no other person can truly absorb them. That we ultimately exist only unto ourselves is, I think, an indisputable concept and one which, when acknowledged, makes for a better acceptance of our "on-our-own" status (p 186).
Shahan, Lynnn. Living Alone and Liking It. New York: Stratford Press. 1981.