Sherlock didn't much care that his brother was dating his DI. But then they went a step too far and did certain things in 221B that Sherlock would rather not think about. Now it's all-out war with each couple trying to out-do the other. Mystrade vs. Johnlock! See the multiple warnings inside. ON HIATUS UNTIL FURTHER NOTICE.

Then, eight days after he enters the Diogenes club, someone breaks the rules. Mycroft/Lestrade. Post-Reichenbach.