Solitude is a return to one's own self when the world has become filled with people and too much of a response to others. Solitude is as much an intrinsic desire in us as our gregariousness. Hermits, solitary thinkers, independent spirits, recluses, although often stigmatized in the modern world, are healthy expressions of our dialogue with ourself.
I used to be stone deaf. I would see people stand up and go through all kinds of gyrations. They called it dancing. It looked absurd to me -- until one day I heard the music!