The name "The Johnlock Conspiracy" might have started as a joke, but it's surprisingly approriate. The writers have been dropping hints that there's a conspiracy in the works.
TJLC stands for The Johnlock CONSPIRACY or the belief that the writers are making a gay romance and lying about it. The truth is out there. *x files theme*
Sources:
1. Incurablylazydevil's gifset:
http://incurablylazydevil.tumblr.com/post/143709971583/and-then-the-rug-is-pulled-its-like-youve-been
2. Artfulkindoforder's LSIT Google Drive (M Theory here)
https://drive.google.com/drive/folders/0B-R0-ikRKha4Si1rUnF6WHBmRG8?resourcekey=0-urEfSmS2q7WwgAgCk3D4OA&usp=sharing
3. John's Blog
http://www.johnwatsonblog.co.uk/
4. Marcel's Bluebell theory
http://marcelock.tumblr.com/post/144273022993/cant-for-the-life-of-me-remember-what-i-thought
5. Iamjohnlocked4life's meta
http://iamjohnlocked4life.tumblr.com/post/136487276147/mirrors-meta-and-breaking-the-fourth-wall