A/N: Sherlock's sister came from the idea of a friend. Disclaimer: I don't own any characters, and this is all for fun!
"Happy birthday, Sherlock!" Molly called as the detective and John walked into the morgue.
"Oh, yes. It is my birthday isn't it? I'd appreciate it if you didn't mention it to anyone else, thank you."
"Bit touchy about it?" Molly asked John quietly.
"Yeah, As much as he loves attention, he doesn't want this attention."
"Hmm, that's odd. Are you doing anything for him?"
"Just a quiet night at home. He hates his birthday."
"Yes. But his sister calls, and he enjoys that."
"I didn't know-"
"Nobody does. Don't tell anyone."
"Of course not."
"Molly," Sherlock called from a table where he was examining a body.
"Yes," she replied, hurrying over, John trailing her.
"This man, how long has he been dead?"
"About four hours."
"Thank you. Have you done the post-mortem?"
"Natural causes."
Sherlock's face fell."Oh. No murders, then?"
"No."
"Damn. Well, I guess that means we're off. Goodbye, Molly."
"Goodbye," Molly called after them as they left.
"Are you alright, Sherlock?" John asked, taking the detective's hand.
"Fine. I was hoping for a murder. But we can do something if you'd like."
"It's your birthday, Sherlock. We can do what you'd like."
The detective leaned down to kiss the doctor. "Let's go to Angelo's then we can have a cup of tea back at the flat."
"All right. Happy Birthday, Sherlock."
"Thank you, John. I'm glad to spend this one with you."