As John glanced out of the window through the gap in the curtains a black car with tinted windows pulled up outside 221B and the elder Holmes climbed out. Just a coincidence he told himself, Mycroft wasn't that good. He couldn't think of any reason why the politician should be at the flat, unless…
"Sherlock what did you do to annoy your brother?"
Sherlock emerged from the kitchen where he was no doubt re-establishing his mess experiments on the table John had earlier cleared.
"Once again John you look but do not observe he isn't here to talk to me." He replied striding over to the window. John sighed and gave his flatmate his well practiced go on explain your genius to me look. He pulled back the curtain and pointed to the figure below.
"Although smartly dressed as ever Mycroft he has on a brand new suit that has been tailoured to hide his large stomach. Clearly the diet hasn't been going well, most likely because he has recently relocated his office closer to his favourite restaurant, making lunch trips more commonplace. His suit also unusually has the addition of a…"
"How can you even tell that from this far away?" interrupted John.
"His shoes obviously, and there is no need sound surprised." The detective huffed in his famous aren't ordinary people idiots manner before continuing. "He has added to his suit a boutonniere in the lapel, suggesting a formal event, but not work related as he wouldn't be so conscious about his weight all politicians are fat. The question is which formal event to which I am also invited." The genius retreated to his mind palace for all of two seconds before striding over to the mantelpiece to retrieve an envelope and a letter opener. He muttered under his breath whilst neatly tearing the seal. "Obviously formal, but not a party, funeral no Mycroft would have said, wedding- could my brother be getting married, or possibly…"
John caught part of the verbal thought process, "Why did you even entertain the idea, who would Mycroft be getting married to? I know he's been making eyes at Greg but really?"
For once Sherlock broke off when his friend started talking to listen. "Clearly not Mycroft John, my younger brother, Merlin."
John just stared at Sherlock before exploding verbally. "WHAT THE HELL SHERLOCK YOU HAVE ANOTHER BROTHER! How did I not know about this?"
"It was unnecessary for me to tell you until now."
"Ishelikeyou,orlikeMycroft? Howoldishe? Whydon'tyoutalktohim? Doyouhaveanyothersiblingsthatyou'veneverbotheredtomention? Where…"
"Stop asking nonsensical questions that I have no time to answer."
"No time, but Sherlock I've just found out you have another brother and all you give me is his name!"
"Yes John, go get ready whilst Mycroft is still on the phone. Before you ask, there is no other reason why my dear elder brother wouldn't have intruded already if not for his phone."
"What the fuck am I getting ready for?"
"The wedding John, weren't you listening." Sherlock was quite exasperated by now and it was beginning to show.