You've got to get obsessed and stay obsessed

Yeah, he is a very decent guy and quietly helpful teacher. I have always wondered about the Sirius-in-Azkaban part, though - you would think that Remus would have disbelieved that Sirius had done it back at the time, and gone "somethings not right, Sirius would never have done a thing like that to James and Lily". Nor does it make sense to me that SIrius would have urged them to make Peter the secret keeper.It just seemed like a plot device that wasn't really motivated by the characters/