I heard this one person has a theory that Hiccup's leg wasn't burnt off but instead bitten. The person (and i after thinking about it) thinks that as Hiccup was falling into the fiery blaze he was too far for Toothless to reach with his paws. So, toothless had no choice but to bite down on Hiccup's leg to try and catch him. He couldn't retract his teeth because Hiccup would've slipped throught his slippery gums. DO YOU THINK THE THEORY COULD BE RIGHT?