‘Yes, Phineas,’ said Dumbledore.

‘I don't believe it,’ said Phineas brusquely.

Harry turned his head in time to see Phineas marching out of his portrait and knew that he had gone to visit his other painting in Grimmauld Place. He would walk, perhaps, from portrait to portrait, calling for Sirius through the house ...

‘Harry, I owe you an explanation,’ said Dumbledore. ‘An explanation of an old man's mistakes. For I see now that what I have done, and not done, with regard to you, bears all the hallmarks of the failings of age. Youth cannot know how age thinks and feels. But old men are guilty if they forget what it was to be young ... and I seem to have forgotten, lately ...’

The sun was rising properly now; there was a rim of dazzling orange visible over the mountains and the sky above it was colourless and bright. The light fell upon Dumbledore, upon the silver of his eyebrows and beard, upon the lines gouged deeply into his lace.

‘I guessed, fifteen years ago,’ said Dumbledore, ‘when I saw the scar on your forehead, what it might mean. I guessed that it might be the sign of a connection forged between you and Voldemort.’

‘You've told me this before, Professor,’ said Harry bluntly. He did not care about being rude. He did not care about anything very much any more.

‘Yes,’ said Dumbledore apologetically. ‘Yes, but you see—it is necessary to start with your scar. For it became apparent, shortly after you rejoined the magical world, that I was correct, and that your scar was giving you warnings when Voldemort was close to you, or else feeling powerful emotion.’

‘I know,’ said Harry wearily.

‘And this ability of yours—to detect Voldemort's presence, even when he is disguised, and to know what he is feeling when his emotions are roused—has become more and more pronounced since Voldemort returned to his own body and his full powers.’

Harry did not bother to nod. He knew all of this already.

‘More recently,’ said Dumbledore, ‘I became concerned that Voldemort might realise that this connection between you exists. Sure enough, there came a time when you entered so far into his mind and thoughts that he sensed your presence. I am speaking, of course, of the night when you witnessed the attack on Mr. Weasley.’

‘Yeah, Snape told me,’ Harry muttered.

‘Professor Snape, Harry,’ Dumbledore corrected him quietly. ‘But did you not wonder why it was not I who explained this to you? Why I did not teach you Occlumency? Why I had not so much as looked at you for months?’

Harry looked up. He could see now that Dumbledore looked sad and tired.