It was largely unspoken that they would partake in such sexual play, but when it happened and she gave no indication that she wanted him to shy away from it, then Martin simply continued. It wasn't planned so much as a spur of the moment sort of thing. So while he probably should be warning her, that would take away from the authentic affect of it.

He hadn't inaccurately read her body either, she was submitting in a fashion that empowered him while also let him know that she was still very much on edge from that knife.

As he lost himself in the moment and pressed the blade slightly into the beautiful pale skin of her throat as he rocked her body with his own, increasing in force. There was a distinct sweat on his brow as he would breathe heavily. It showed how tense and excited he was, his body running with adrenaline although moving in such a way that reminded him that he was still in many ways out of shape.