When they finally release him, he’s given some clothes (not his; Sirius wonders briefly what had happened to his favourite leather jacket), returned his wand, and told that his flat has been prepared for him. There is still no sign of Remus, but Sirius has accepted that already. Minerva offers to go with him to Diagon Alley to buy clothes and other necessities, and so Sirius is spared the pain of entering an empty flat filled with memories until he has been properly exhausted, what with the shopping and the sights and the sounds—not to mention the stares and the whispers, and the few brave souls who approach him to shake his hand and ask invasive questions or claim they’d always known he was innocent.