Even if she did do her best to mute her level of surprise, Hiccup still felt a little stupid for not knowing this. He wasn't very good at hiding that, either. "Eh, you know how it is. You're told some things, you learn about other stuff later. Most of the time you get mixed responses from either one..."

Much like how Gobber believed that trolls exist. That held some merit.

He pressed his lips together, forming a thin line as he mulled over the marks. The sincerity was also present in the thought, making his brow raise slightly. "...But if that's the truth, then...things are good."