3. The day Remus wandered through his apartment, just a few weeks after their graduation from Hogwarts, mumbling confusedly about motorcycle oil and how he cannot understand why the smell lingers so, on his hands, his clothes, his hair, even after he has washed and rewashed them, Sirius had kept his knowing silence, remembering the furtive night in sixth year, when James and him had locked themselves away in the dead of night to brew Amortentia in a silent bathroom, smoke clinging to Sirius like pale ghosts.