The prince seemed to quite enjoy her moans and squirming, and was doing everything he could to eke out more of them. When she didn't seem to want to finish, though... he didn't want to leave Selphie alone too long. He'd try to judge if Delphine was close or not, but if his ministrations weren't pushing her over, he'd eventually draw back, and change his attention to the elf, who was much more vocal about her pleasure, and was definitely not holding back.