You know Sherlock would be pissed, hahaha.
We're going to be coming up to the Holmes Family Christmas arc soon! :3 First John has to confess his uneasiness about Jim and set a bit of a new story in motion. Tea Leaves will take a more serious turn later on but will return to its fluffiness, really; I've had quite a few people say they love the lightheartedness of this story and it's a nice break from the other Sherlock stories that are much darker.
Not a Joking Matter
John glowered at the table.
Sherlock smirked, stabbing his fork into his carrot cake and slipping some into his mouth. "Eat your dinner, John, or I won't let you have dessert."
"Don't treat me like you're my mother."
"Don't be so pouty. I don't care about your 'relations' with Mycroft."
John spluttered and fumed but said nothing, turning red.
Sherlock would've known if John and Mycroft were dating; he'd gone through John's phone and found nothing. If he had, it would have been far from a joking matter, which is why he was able to tease his flatmate about it.
Prompt was #90: carrot