Remus shot Severus a look and held it for a few seconds. He knew? If he knew how to help him, then he knew what was wrong, and to know what was wrong meant he knew what Lucius Malfoy did to Sirius. Was he in on it? Remus' mind was racing faster than a hummingbird's wings.
"You know what happened to him?" He asked, trying to keep his composure. His patience, his calm demeanor, were both being put to the test. "Severus, please. I'm already in debt to you for the rest of my life. Do you really need to hold this over me, too?"