As he settled down and tried to get some sleep, the crack in the ceiling no longer bothered him. It was the anticipated crack in his friendship with Hermione and Ron that troubled his dreams. Over and over throughout the night, his mind replayed the image of him leaving for the horcrux hunt alone, while Hermione and Ron bickered over wedding streamers and failed to notice his absence.
"He fell to his knees and let his head sag to his chest. In his life, nothing was sacred. Not his mentor. Not his family. Not even the casual schoolmate. He felt more alone than he had ever felt before. Without Dumbledore, he was nothing, just a boy with a scar and some old fraud’s condemnation."
In the summer after his fifth year, Harry returns to Hogwarts to continue his study of "Remedial Potions." His curriculum expands however, to include darker and more dangerous lessons that threaten his mental stability and drive a wedge into his burgeoning relationship with Hermione.
Upon returning to Privet Drive after his fifth year, Harry becomes transfixed by the setting sun. However, his desperate attachment to this nightly occurrence is threatening to consume him, providing him with a numbness that pervades his soul and prevents him from seeing that another sunrise is patiently waiting for him as he clings to the fading light.
Ron confronts Harry about their shared feelings for Hermione. In the process, Harry divulges the contents of the prophecy.
This scene is set within weeks of Harry’s return to Privet Drive after the end of the OotP. Voldemort begins a new assault on Harry’s mind and in its guilt ridden state Voldemort pushes him beyond the limits of reason.