Aaron kissed him again. Sure, he was anxious that he might hurt him, but he was more eager to make him feel really good. He pulled away and applied some more lube - just to be sure. Then he went back and pushed inside carefully, slowly, paying close attention to any indication that this might not be okay. And then, when things seemed to be okay, he moved them a little, parting them a little to stretch a little more, and crooking them in different places.

It was good Remus wasn't touching him, or he might have come right now.