My favourite part in Order of the Phoenix is when Harry and Sirius are playing hide and seek in the Ministry and Sirius is being silly behind the veil then he jumps out at Harry like “Haha found you!” and then they laugh and high five and go out for ice cream at Fortescue’s.
“Where did you go?” asked Harry, staring at him. “Your dad’s place,” said Sirius. “Your grandparents were really good about it, they sort of adopted me as a second son. When I was seventeen I got a place of my own. I was always welcome at Mr. and Mrs. Potter’s for Sunday lunch, though.”
The surfaces had all been draped in lacy covers and cloths. There were several vases full of dried flowers, each one residing on its own doily, and on one of the walls was a collection of ornamental plates, each decorated with a large technicolour kitten wearing a different bow around its neck. These were so foul that Harry stared at them, transfixed, until Professor Umbridge spoke again. ‘Good evening, Mr Potter.’
—Harry Potter and the Order of the Phoenix, Chapter Thirteen
“But some part of him realized, even as he fought to break free from Lupin, that Sirius had never kept him waiting before… . Sirius had risked everything, always, to see Harry, to help him… . If Sirius was not reappearing out of that archway when Harry was yelling for him as though his life depended on it, the only possible explanation was that he could not come back… . That he really was …”
Fake Benevolence 