Truthfully, he half suspects it's simply his voice that's appealing as he speaks. His accent, even with Kenyan influence, is British enough to be considered sexy. That, and the clear declaration that he wants her, that she's desired. The warden isn't well practiced in dirty talk, but letting Midge knows she's wanted is an easy task. Mostly he's just happy she seems to enjoy it.

Just like he enjoys the pinch in his shoulder and her breathy command. His eyebrow twitches and he looks at her, as if considering her words. In reality, he just wants to watch her reaction as her runs his middle finger along her and then slides it inside her, savouring her reaction before his index finger follows suit.