O.K. I'm outing myself...
I'm very fond of Mycroft Holmes/Greg Lestrade stories! So I said it!
I was Johnlocked first and some time later I read my first "Mystrade" story. I think it's an exciting couple. Mycroft is so aloof and controlled and then that "normal" (but totally hot guy) Lestrade, very different worlds. They never met in the series, but they know each other, in Baskerville Lestrade says to Sherlock “I don’t just do everything your…brother tells me." I have to grin every time.
There are some wonderful stories out there.
My favourite because Mycroft is so in-character:
"Unlikely connections we make"
http://archiveofourown.org/works/498449/chapters/873907
And the "At least there is football" series
http://archiveofourown.org/series/9540
I try to find more good stuff.
And no I don't want Mystrade in the series, it's just to please my inner fangirl like Johnlock does.
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Normal is not something to aspire to, it's something to get away from!