"We should have kids." He could feel Cas stiffen on top of him. He felt his own horror at his words and wished he could gather said words in the air with his hand and stuff them back into his mouth. But that was impossible, and Cas was already pulling back to stare down at his lover with wide, confused eyes. Domestic Kidfic! Established Destiel. Future Sam/OC.

Prompt from tumblr. Sam is just using his fingers to get Dean off, and Dean is a jerk who likes to get Sam riled up just for his own personal pleasure. Explicit Wincest. Oneshot. Bottom!Dean.