He found her alone in the guest room, the light off, a stack of photos lit up in her lap by the faint glow of her wand.

"Luna?"

She looked up, and something inside Harry died when he saw her swollen pink face. She wiped at her eye with her sleeve and gave a sad smile. "Hello, Harry."

He sat down on the floor next to her and lifted the photo on top - a picture of Fred and George Weasley, grinning and waving, giving each other donkey's ears. The next was in the girls' dormitory at what looked like a small birthday celebration. Lavender Brown smiled at the camera, her arms around the girls next to her. They were all wearing colorful birthday hats, eating cake and laughing. The third was Colin Creevey behind his camera, and Harry wondered briefly who took it.

"Luna, where'd you even get - never mind." He gently took the pictures out of her hands. "Don't. . . don't look at them, okay? They're making you sad."

She smiled again, her eyes filling with tears that spilled over the edges, and lifted the stack back into her lap. Her voice was tired and hoarse. "Maybe I want to be sad, Harry."

He left the room before he started crying, too.