Sherlock eagerly nodded. Deep inside he was fairly certain that he would never be able to get that much down his throat, it seemed like a physical impossibility. But for his Sir, he would try. He would be a good boy and try to take all of him.

His eyes went wide, he coughed and gagged when his hair was pulled and more of John was forced inside of his mouth. Tears streamed down his face and he desperately needed air. His body wanted to pull back, but John wouldn't let him. He was going into fight or flight mode, he could feel it.

He heard John's question, and tried to nod, but his body was still trying to get the huge length out of his mouth so he could breathe again.