ROWENA
Please. An angel of the Lord, the King of Hell, more power than I could possibly dream of, utterly wasted, shattered at the altar of Winchester. I may be the one in chains, but the two of you are just as much a prisoner as I. It saddens me. No, it totally sickens me, to see so much power go unspent. So much glory unclaimed.
CASTIEL
Glory? Oh, I've seen glory. And I've seen defeat. But I have seen the glory. I have won epic battles, and I have reaped vast rewards. And none of it has meant as much to me as the relationships that I've formed on Earth. Sam and Dean? They are like a family to me. Claire Novak... When she smiled at me? Nothing, no--no angelic crusade, or victor's bounty, none of that could ever hold a candle to that sweet (chuckles), crooked smile.
Its moments like these that really puts how much Castiel gave up for Humanity and Dean and Sam into perspective. I wish they'd kept this scene in the episode, it gives so much depth to his character.