(...) He closed his eyes and turned the stone over in his hand three times.
He knew it had happened, because he heard slight movements around him that suggested frail bodies shifting their footing on the earthy, twig-strewn ground that marked the outer edge of the forest. He opened his eyes and looked around.
They were neither ghost nor truly flesh, he could see that. They resembled most closely the Riddle that had escaped from the diary so long ago, and he had been memory made nearly solid. Less substantial than living bodies, but much more than ghosts, they moved toward him. And on each face, there was the same loving smile.
James was exactly the same height as Harry. He was wearing the clothes in which he had died, and his hair was untidy and ruffled, and his glasses were a little lopsided, like Mr. Weasley’s.
Sirius was tall and handsome, and younger by far than Harry had seen him in life. He loped with an easy grace, his hands in his pockets and a grin on his face.
Lupin was younger too, and much less shabby, and his hair was thicker and darker. He looked happy to be back in this familiar place, scene of so many adolescent wanderings.
Lily’s smile was widest of all. She pushed her long hair back as she drew closer to him, and her green eyes, so like his, searched his face hungrily, as though she would never be able to look at him enough.
“You’ve been so brave.”
He could not speak. His eyes feasted on her, and he thought that he would like to stand and look at her forever, and that would be enough.
“You are nearly there,” said James. “Very close. We are . . . so proud of you.” (...)
A chilly breeze that seemed to emanate from the heart of the forest lifted the hair at Harry’s brow. He knew that they would not tell him to go, that it would have to be his decision.
“You’ll stay with me?”
“Until the very end,” said James.
"Harry Potter and Deathly Hallows"