"Good!" said Merry. “Then I would like supper first, and after that a pipe.” At that his face clouded. “No, not a pipe. I don’t think I’ll smoke again.”
“Why not?” said Pippin.
“Well,” answered Merry slowly. “[Theoden] is dead. It has brought it all back to me. He said he was sorry he had never had a chance of talking herb-lore with me. Almost the last thing he ever said. I shan’t ever be able to smoke again without thinking of him, and that day, Pippin, when he rode up to Isengard and was so polite.”
“Smoke, then, and think of him!” said Aragorn. “For he was a gentle heart and a great king and kept his oaths; and he rose out of the shadows to a last fair morning. Though your service to him was brief, it should be a memory glad and honourable to the end of your days.”
Merry smiled. “Well then,” he said, “if Strider will provide what is needed, I will smoke and think..."