Positioned as he is, he can't easily see Kieren's face or note his reactions. He can only go by the sounds he hears and the fumbling of his movements. It's enough, though. If nothing else, he can feel that Kieren is almost as undone by this as Sirius.

"Think-- Think of it as though you're wanking," he says around another sharp gasp, the sound melting into a groan as he presses his hips back again, silently begging. "Making yourself feel good through me. And Merlin, does it feel good."