write a comedic and vivdily story set in the How To Train Your Dragon universe about Hiccup and Astrid deciding to relax in a pond. They find a pond and undress until in the buff (describe their physiques), they then enter the pond and relax. While relaxing, describe how one of them looks as they force out some farts into the water while relaxing, then describe how the other looks as they decide to fart as well, both enjoying the relief afterwards. a few fish are knocked out from the combined stench. They then happily snatch up the fish. After wading back to the shore, they make a campfire and cook the fish over it. Add conversations between Astrid and Hiccup throughout the whole story