We're WHAT?!? (HTTYD)

Snotlout and Hiccup were into the third month of their secret relationship when they find out they're cousins. They are both equally horrified. At first, at least.

One shot Hicclout/Snotcup (what's it called?)

Warnings:
Contains some swearing
Incest

This ended up being way longer than I expected it to be