Sherlock "pretends" to be in love to John to stop him from ever again going out with other women.

[cadrina.livejournal.com]

This a very long one that has Sherlock convincing John that he is in love to him and giving a shot at a relationship so that John will never leave him for some other woman. Without realizing that he is in fact in love with John.

Comments

[equusentric.livejournal.com]

The Road Less Traveled (http://archiveofourown.org/works/331205?view_full_work=true) by Verityburns.