The tone alone was nearly enough to make him turn on his heals and walk away. He could go straight to Remus and say with honesty that he saw no change what so ever in Peter.
But that wouldn't be fair to Remus, and he had promised to try. Try he would. "I want to talk to you," he said, willing himself not to sound on edge or annoyed. "I promised Remus I would."
"Are you going to let me in? Or should we have this conversation in the hallway?" he asked, not mentioning the third option which included him leaving.