Sirius took a deep, shuddering breath. The vision, the nightmate, the... Whatever it was began to fade as Remus stroaked his hair. He took another breath, held it, then began to cry. Softly at first, small shudders coarsing though his body. But soon harsh, racking sobs shook his frame and he clung to Remus with every ounce of strength he had.
"I'm so sorry," he sobbed, though what he was sorry for he honestly didn't know. It must have been bad though, it must have been something terrible. Something to do with those curtains and that horrible feeling of violation that he just couldn't shake no matter how hard he tried. "I'm so sorry."