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The Sociology Experiment (Or, How Sherlock Holmes Lost to a Textbook)

Summary:

It starts with a book.

A completely ordinary, perfectly harmless sociology textbook. John found it among his old things, a relic from university, and—naturally—dares Sherlock to read it.

Sherlock, unwilling to back down from any challenge, accepts.

Big mistake.

What follows is two hours of Sherlock arguing with a textbook,

Somewhere between monarchy and autocracy, marriage and culture, kinship and social control, Sherlock Holmes realizes he is in love with John Watson.

At 4:30 A.M., he wakes John up, kisses him, and asks if they’re a family.

Unfortunately for Sherlock, Mycroft hears about it. And he brings gifts.

Sherlock loses the battle with a book, loses the war, and somehow gains a boyfriend.

But he absolutely refuses to admit that sociology might have had something to do with it.

Chapter Text

Chapter One: A Quiet Saturday (Unfortunately)

221B Baker Street was unusually peaceful that Saturday noon. No frantic police calls, no ominous coded messages, no severed limbs in the fridge—just Sherlock Holmes, slumped in his chair, scrolling through emails on his laptop with the enthusiasm of a man watching paint dry.

John Watson, on the other hand, was happily typing away at his blog, recounting their last case (which, for once, had involved neither explosions nor international assassins).

For a few blissful minutes, all was calm.

Then John spoke.

"Hey, Sherlock, do you know the importance of socializing?"

Sherlock didn’t even look up. "No, and I don’t care to."

John smirked. "Figures." He shut his laptop and grabbed a book from the pile beside him—an old sociology textbook, its cover faded with age.

Sherlock glanced at it, then at John. "I refuse to believe you are willingly reading that."

"I’m not," John admitted. "Just found it while organizing my things. Harry sent it to me .Thought you might find it interesting."

Sherlock narrowed his eyes. "Why would I find it interesting?"

"It’s about human behavior," John said innocently.

Sherlock snorted. "I already study human behavior. It’s called deduction."

"This is different," John countered. "This is about society—how people function in groups, social norms, cultural dynamics—"

Sherlock groaned. "John, sociology is just philosophy for people who can’t do math."

John grinned. "Read a chapter. I dare you."

Sherlock scowled at the challenge. Then, with a dramatic sigh, he snatched the book from John’s hands and flipped it open.

John leaned back, fully prepared for the incoming disaster.