so-you-wanna-read-fanfiction:

Fandom: BBC Sherlock.
Author: Cleo2010.
Rating: NC17.
Pairing: Sherlock/John.
Warnings: Slash, smut, porn, etc.

Summary: After seeing John undressed for the first time and making certain observations, Sherlock quickly becomes obsessed with a certain body part belonging to his flatmate. This is the story of how that first sighting came to be and the following attempts to learn more.

My Thoughts: PERFECT. FIC. IS. PERFECT. STOP WHAT YOU ARE DOING AND READ THIS BEAUTIFUL PIECE OF WORK. SHIT MAN. SHIT.