"Dean found Cas sitting on top of the tin roof of the barn where they first met. He looked closely at the angel who was watching the night sky with sadness before carefully sitting next to him.

"Hey man been lookin all over for you. Are you okay?"

In a rare moment of lucidity Cas gave Dean a pained look before returning his eyes to the sky and replying, "I'm crazy. Can't you tell? Why on Earth would anything be wrong, Dean?"

After a moment of silence Cas said, "You know that human saying that those who live in glass houses shouldn't throw stones?"

Cas spared a brief glance over at Dean to see Dean's nod before continuing, "I didn't realize Heaven was so fragile. It was always a place of unfathomable power, our Father's residence before he abandoned us. I lived in a glass house, Dean. I threw stones at the stars but the whole sky fell."

Cas turned to Dean with tears on his cheeks. "Now, why would anything be alright, Dean?"