
Gautam Budha insisted to his disciples: "Be a light unto yourself."
Ultimately we have to learn to live alone. We have to develop in each of us the capacity to guide ourselves through darkness without a companion : all alone.
That brings us to the aloneness vs loneliness debate. Loneliness is being deprived of something while aloneness is the presence of oneself. You start with loneliness and its height is aloneness i.e. you get so used to staying lonely that you get enconsed to it and you end up enjoying it (aloneness).
For furthur reading refer to this article by Osho:
9. Aloneness