The effects of the drug used when Noah was with Danielle, and the natural arousal caused by June's presence made him unable to stop any time soon. Luckily for him, the walls of those rooms were thick and prevented any kind of noise from leaking outside.
The members of the bloodlines were used to have long mating sessions, so every room in the castle was perfect for that kind of activity.
The long years spent away from each other vanished as they enjoyed themselves in that alien world. Their bodies instinctively remembered what it was like to be together and what their lover liked.
"Now I can be sure that you didn't let that woman tempt you," June said when Noah finally managed to calm himself and give her a break.
His hand caressed her hair as she rested on his chest, just like she used to do back in his quarters.