Castiel's heart was broken.

After everything they'd gone through together, Dean had thrown him out when he needed him most. Now, Castiel had no grace. He was human, he needed to eat and sleep now. And he was homeless.

The sensations were too much. His clothes were wet and dirty, clinging to his skin and making his skin crawl. His muscles ached from sleeping on the pavement. And his stomach hurt so bad. But any of the human food available felt like sensory Hell and made him sick.