He laughed as she suckled him.  Where his last conquest had been defiant this one was complying, the end result would of course be the same.  He was still however surprised with how quickly this virgin debased herself.  It fit with a theory he had that these human women secretly loved gargantuan cocks, regardless of the consequences.  but that was a debate for later.  "since you are cooperating, you may continue to do this until you are ready to move on"