[Dragons sound like cats which is really endearing. Kieren smiles; it's different watching Hiccup being so passionate about dragons, than it was watching Simon talk about his beliefs. Simon had looked exhausted. Hiccup looks thrilled, just by the thought. ]

They sound a bit like cats, nature wise? Domestic cats, I mean. I think the wild ones are less inclined to give you a cuddle if you ask nicely.

[Gosh, Hiccup, this is cute as heck. ]

Did you know this much about them before you met Toothless?