This is another of EchoValley26809's sentences adapted to a ficlet.
38. Forever
They both made out their wills, each leaving everything to the other, for, as they couldn't comprehend a world without their friend, they had simply assumed each would go on forever.
"Well, go ahead, Sherlock. And stop that fidgeting, you're making me nervous just watching you," I snapped irritably, glaring at my restless younger brother.
He halted the twitching and turned his attentions to the napkin-ring in front of him. I sighed tolerantly, leaning back.
"Well, I came to discuss –"
"Some legal matters, I can deduce that perfectly well, Sherlock. Now do cease beating around the bush and tell me what that sheaf of papers is all about," I growled, "I must return to Whitehall within the hour."
My brother yanked the papers from his pocket and rather nervously tossed them to me. I leafed through them, perusing each briefly.
"So you are changing your will? Why should you come to me about the matter?"
"Do you approve?"
"If I did not, would you change it back?"
"Certainly not."
"Then why ask me, Sherlock?"
My younger sibling flushed in embarrassment, which amused me considering the circumstances.
"Are you offended, I suppose is a more accurate term, Mycroft."
"Should I be?"
I so loved seeing him squirm under the unfamiliarity of emotion normally so foreign to him.
"Confound it, Mycroft!"
I smiled and tossed the papers back to him.
"Sherlock. Of course I am not offended. It is only natural that the person you care for the most should be your beneficiary."