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“I’m sorry, Sherlock, but I think what you just said is that you’ve been catfishing a murderer online, pretending to be a couple, your brother and I, and now you want us to meet him? A murderer? As a couple!” The last few words are really quite loud, and Rosie makes a startled squeak in the kitchen.
Sherlock glares at him.
Greg takes a deep breath. “Sorry,” he says, automatically, then – “No – no! Not – not sorry, because – of all the things, Sherlock, that you have ever done, this is undeniably the most – the most utterly – I –”
He closes his eyes, fists clenched, and takes several deep breaths.
“Overlooking many, many other problems with this entire scenario –” he pauses and takes another breath, “– what on Earth makes you think that, as a couple, a detective and a – a – whatever he is –” he gestures wildly at Mycroft – “would put themselves online on a dating site?”
Sherlock had asked Greg to make sure Mycroft was looked after, but Greg Lestrade is a man of action, and he takes this job as any other favor done for the every-maturing Consulting Detective. Is this the beginning of his own dreams coming true?
There are always obstacles, Sherlock and John both know this all too well. Greg and Mycroft soon find out what it's like, with the help of Sherlock and John, just to add a sprinkle of family tension in the mix.