He's not a child!" said Sirius impatiently.

"He's not an adult either!" said Mrs. Weasley, the color rising in her cheeks. "He's not James, Sirius!"

"I'm perfectly clear who he is, thanks, Molly," said Sirius coldly.

"I'm not sure you are!" said Mrs. Weasley. "Sometimes, the way you talk about him, it's as though you think you've got your best friend back!

What he really wanted (and it felt almost shameful to admit it to himself) was someone like — someone like a parent: an adult wizard whose advice he could ask without feeling stupid, someone who cared about him, who had had experience of Dark Magic...
And then the solution came to him. It was so simple, and so obvious, that he couldn't believe it had taken so long — Sirius.

Then you should have died!" Roared Black. "Died rather than betray your friends, as we would have done for you!

Well, [bad] times like that bring out the best in some people and the worst in others.

You are — truly your father’s son, Harry. . . .

You think the dead we loved ever truly leave us?