He loves it when Ianto talks dirty, loves that he's not the only one in this relationship who enjoys it, and a pleasant shiver goes through him at that sexy purr from behind him.
"I can feel it," he confirms, face still pressed into the mattress, muscles quivering as he holds himself still for Ianto in order to enjoy even more that deliciously, tantalisingly slow pull out and push back in again, delicately stimulating every single nerve in his ass.
He groans, long and low into the mattress, everything held on a tight string, waiting for it to break. "Ianto..."