The Rainbow by D H Lawrence Chapter 6 Page 138

He could sleep with her, and let her be. He could be alone now. He had just learned what it was to be able to be alone. It was right and peaceful. She had given him a new, deeper freedom. The world might be a welter of uncertainty, but he was himself now. He had come into his own existence. He was born for a second time, born at last unto himself, out of the vast body of humanity.

Now at last he had a separate identity, he existed alone, even if he were not quite alone. Before he had only existed in so far as he had relations with another being. Now he had an absolute self — as well as a relative self.

But it was a very dumb, weak, helpless self, a crawling nursling. He went about very quiet, and in a way, submissive. He had an unalterable self at last, free, separate, independent.