Read it through once

When Laurie came home, dead tired, but quite composed, his grandfather met him as if he knew nothing, and kept up the delusion very successfully for an hour or two. But when they sat together in the twilight, the time they used to enjoy so much, it was hard work for the old man to ramble on as usual, and harder still for the young one to listen to praises of the last year's success, which to him now seemed love's labor lost. He bore it as long as he could, then went to his piano, and began to play. The windows were open; and Jo, walking in the garden with Beth, for once understood music better than her sister, for he played the "Sonata Pathétique," and played it as he never did before.