"Well, I'm glad that we can agree on something," he said. Elena meant everything to Damon, and he hated meaning nothing to her again. He had gone through a lot to bring her back the first time. They had gone through a lot to get to the place where they were, admitting their true feelings for each other and now he was back to being nothing to her, meaning nothing to her.
"Okay,' he said, when she mentioned them travelling.