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“I wanted to be a knight when I was young.”
“Why?”
“Because I wanted to be a hero and fight dragons and save a princess.”
“A princess.”
“Never mind...”
How this conversation (that John had completely forgotten about) let to Sherlock taking a case involving a renaissance fair and then to Sherlock going down on him in a murky corner of the castle ruins will probably be a mystery forever.
Not that John was in any state to ask questions or complain. He was desperately trying to keep upright by clutching at Sherlock’s shoulders and at the same time trying to silence himself by biting his lip.
It had been a while.
So when Sherlock suddenly pulled off, John opened his mouth to suck in a huge gulp of air to... he did not really know. Scream in frustration? Curse? Beg? Sob?
But before he could do anything, Sherlock softly moaned his name and looked up at him.
“John. What do you want? Tell me.”
“I want ... finish me with your mouth. Please. Now. Then I want to go back... and I want you to fuck me. Drag it out. Make it last.“
Sherlock growled and both men knew that he would make it last for a long time until they were trembling with want.
He would make them both beg.