Well, he had dreamed of it, but he had always known the dreams weren't going to come true.
He was going to explore the bedroom before he went and found any food, even though his stomach was rumbling with hunger. The bedroom was a dream come true, and he would always live here and love it.
Grimmauld Place watched carefully as the Potter child ran around his bedroom, looked out the windows, used the bathroom, smoothed his hand down the walls as he walked the stairs. He gaped at the room with the family tapestry and the library, but didn't try to enter. His clothes hung about him, and Grimmauld Place reached out to the wardrobe in the best-preserved room.
Regulus Black's clothing would be large for the child, but he could use his magic to shrink them. It was merely a matter of will.
Harry stared down at the rabbit that he had managed to catch in the garden. The garden itself had heaved the stones under the rabbit's feet, and he thought had probably frozen it for him. Even though the rabbit's eyes were huge and it looked like it wanted to kick, it couldn't move in his hands.
Harry knew what he had to do. The house didn't seem keen on providing extra food for him, and Harry didn't know how to use the magical money, and they were probably a long way from Muggle food