The bottle left his hands without a bit of resistance on his part. He was just as well simply being with his friends free from so many prying adult eyes, free of rules and schedules and all the things that school would bring them soon enough. Tonight was their last opportunity for anything like this, for it was true; who knew when they would have this opportunity again? He could set aside all his inhibitions, if just for one night.
But, Sirius' sudden idea made him turn scarlet. That thought was terrifying for more than one reason. "You can, um, count me out," he said slowly, shaking his head, though he kept his smile in place.
He wanted to have fun but not that sort of fun. The very thought picked uncomfortably at not only his brain, but his emotions as well.