He ran a finger along her spine slowly, the feeling of his fingertip leaving trails of fire and sparks behind as it glided up the ridges and creases of her bones.
Her body reacted to him instinctively, as though she were a moth drawn to a flame, wanting to press against him and feel his touch on her.
His fingers continued their exploration, following the line of her spinal cord as he moved to the small of her back, tracing his fingertips down to the curves of her waist and hips.
"My lovely, beautiful Isabelle." His voice was husky and low as he whispered the words, sending chills down her spine as goosebumps broke out on her skin.
"What is it, my beloved husband?"
"Hm...." He purred in her ear. "I cannot think of anything I want more than to watch you writhe underneath me as I drive into you relentlessly."
A mild R18? I don't know if I'll experiment more with these.