“Hey,” Sirius answered absentmindedly as he heard the familiar sound of keys in the lock followed by Remus’ voice, a familiar song and dance for them by now.<br/>Sirius knew that Remus had had some one on one feedback session with Mulligan today, and he had been keen to know about Remus’ progress, something that he had all but forgotten about when James had suddenly showed up with Harry in tow.<br/>It was only when Remus himself called attention to Harry on his lap that Sirius managed to look up at his flatmate, having succeeded in his mission to detangle the small hand from his hair. A large sheepish grin made its way to his face, knowing that he would have warned Remus had he had more warning himself.<br/>“Oh this?” He said, still grinning and bouncing Harry slightly, making the child squee with excitement, luckily still happy with the smallest form of entertainment.<br/>“This is my best friend,” he stated with a proud smile, turning Harry slightly on his lap, such that he was facing Remus.<br/>“Harry, can you say hi to Remus?”