It was incredibly easy to get bored with uninvolved or uncreative partners, Sebastian went through that type like tissue paper, and he never invited them back. Sasha, on the other hand, had an open invite into his bed, because she was neither uninvolved or uncreative. He knew why she came back, when the mood struck (or the moon did). She wouldn't clench and stretch and gasp around him if he didn't know exactly what he had and what to do with it.
"Just like," from this position, it was just the slightest tilt of his hips to have the head of him press and slide against that spot inside her for the maximum effect, "This?" Every single time he pulled away, she tightened, and it echoed in the tightness of his jaw as he slid from her, only to thrust inside her again.