"i don't know. Being here makes things different. In my world, stopping would mean becoming Chief and having a family." Neither of those were things he was ready for just yet, which was why he avoided stopping for too long. He wasn't ready. Not by a long shot.
"Those expectations aren't the same here, so that helps. Mostly I just- want to spend time with the dragons and that's all I really need." One day, eventually, they'd be parted, whether it was because he died or because the dragons did. He wanted to savor as much time as possible with them.