"Jane Eyre" follows the emotions and experiences of its eponymous character, including her growth to adulthood, and her love for Mr. Rochester, the byronic master of fictitious Thornfield Hall.
He never knew life could be this way, but truly if he did, he wouldn't have cared. He cared about nothing, not even himself until her. Before her, he was empty/ Before her he knew nothing of joy or completion, and this is his journey to his life After her.