Loneliness isn't about being by yourself. That's fine, right and good, desirable in many ways. Loneliness is about finding a landing-place, or not, and knowing that, whatever you do, you can go back there. The opposite of loneliness isn't company, it's return. A place to return.
The Stone Gods (ed. Houghton Mifflin Harcourt, 2009) - ISBN: 9780547416267