He clearly didn't understand the idea of there always being a possibility of danger, and while Hermione could see why that attitude might be considered charming, she also found it a bit maddening.

"I worry about anyone if I hadn't seen them in a few days, unless I know they've gone off on a mission or are working on a project. It's easy to assume the worst here, when there's so much danger lurking just right outside of Skyhold. I don't want to think of the worst, especially not when it comes to the people I count among my friends."