Stronger then known

After his romantic flight with Astrid, hiccup unsure on what to do leaves a note for Astrid the next day and takes off with his dragon, toothless. When Astrid found out she was heart broken until she finds hiccup in the cove once more with a dragon of her own.

Five years later hiccup is all grown up and fighting a war against viggo, during the 5 years Astrid has snuck out to meet him and give him info on berk. What will the two do now that viggo has told berk about astrids spying, how will they react when the next see hiccup, how will they react when they find out they are dating