Sherlock, I Love You (Johnlock)

Sherlock waltzed back into Johns life after his "death". John was experiencing nightmares, and only Sherlock can help subside the pain with. They start to experience something, something they're both afraid of. Love. John has bad experiences with it, and Sherlock has never had this feeling. Both cling to each other for what they feel is a dream, reality scaring them. Johnlock.