Before I will let you the story, I'm gonna give you like a trailer.
Hope you'll enjoy
Hiccup and Astrid as kids
Hiccup: hey Astrid
Hiccup: we'll always be buddies right?
Astrid: of course. We're best friends.
Hiccup: ya and our friendship will never be broken.
On the telephone
Hiccup: hey Astrid. Its me Hiccup. I really don't want to say this but... I'm leaving.
Astrid: what! Why?
Hiccup: well my dad the 'major' wants me to experience about his major duties and he will also let me do some mystery solving or detective work.
Astrid: you like being a detective or agent or spy.
Hiccup: *chuckles* ya... Before I leave, I have a present to give you. And is it okay you'll take care of Toothless for me?
Astrid: ya sure... When are you coming back?
Hiccup: I guess when I'm 19 or 20. Well somewhere there.
Astrid: okay. Hope to see you soon.
Hiccup went to Astrid's house to give her the present which is a blue bi...