Alec found that he liked her reaction more and more, which made him not want to stop, though he was more than aware that she wanted more. Again he spanked Navi, doing so hard enough to create some redness on her skin, making himself groan quietly. His other hand was still tugging on her hair, he was doing everything he could to overload her, but then, his patience was what was disappearing.
He shifted slightly before thrusting into her from behind, grunting quietly when he entered her, knowing that she had already had him so worked up he didn't know how long he could take this.