John groaned when he saw Sherlock take the dildo. The knot. Goodness he was gorgeous. He groaned as he rubbed the tip of his cock. He couldn't wait to have Sherlock use him and wring everything bit of pleasure from him. Once the baby came...

He shuddered and moved his hand down, stroking. "Good boy. Taking the beast's cock so well. Do you know why it knots?" He pressed on, not expecting an answer. "So it can breed it's bitch. I wonder what you smell like to the dragon to think you're a bitch in heat..."

"Maybe for our anniversary I'll find a real beast to fuck you pet. See you turned into nothing better than a glorified hole. Or put you in a room full of holes so men and creatures can shove their cocks through. For you to suck, to get off..."