Went on a writing spree during school because I'll be busy all night...I promise to reply to messages/reviews tonight!
Taking Care of What's His
Mycroft resisted an eye roll. Ridiculous.
Sherlock had done this ever since they were children, but the objects had varied. When he was three, it was his yellow-sweatered teddy bear. At nine, his chemistry set. At fifteen, it was his pride.
And now: his flatmate. Mycroft saw the familiar subtle yet dangerous look of possessiveness in Sherlock's pale blue eyes.
Why his little brother felt the need to protect John he had no idea— he had no intention of hurting him.
But, admittedly, he was rather pleased to see the same look blazing out at him in John's eyes.
Prompt was #56: yellow