John settled on the bed, shifting from human form to demon form. He grinned as he watched Sherlock.

While the idea of directly causing his mate pain still worried him... This indirect route thrilled him. Especially when he saw how much Sherlock wanted it. Loved it.

"Look at you..." he purred proudly, "You're taking it so well. You love being mounted by a beast bigger than you, don't you my love?"