This is a fan fiction of if I were with him instead of his girlfriend. This story is TRUE except for me being there and what I've done in the story and some stuff that happened in the hospital. ;)
When Hiccup was 15 years old when he shot down a Nightfury, and he was 15 years old when he ran away on the back of that same Nightfury, leaving behind his village and his old life. He was 20 when it all caught up to him.