Remus was fairly certain that even if he had done some significant damage to Sirius, the other boy wouldn't have told him. He just had to hope that he was telling the truth and believe that.
His muscles were tense; sore and over exerted from Moony's romps and rages. The more Sirius began to rub and work through the knots, however, the more he began to relax. Remus didn't let anyone else quite so near, not even James or Peter. It was just different with Sirius, and he was pretty sure he knew why. But that wasn't a place he let his mind drift to. Ever.
"I'm glad it wasn't too bad for you," he said, and uncurled his body a little to loosen up. "I always worry I'll go too far." He said 'I,' though it wasn't really him, but still, he would always take responsibility for the wolf's actions. "That feels nice," he added, in a tinier voice.