Castiel appreciated everything the Winchesters had done for him since becoming mortal, allowing him a room was possibly the best part. Along with Ruby visiting. It was with some reluctance that he finally slipped out of bed, a soft kiss on the shoulder of the demon. Still, he needed a drink and as such pulled on some clothes, still looking distinctly rumpled as he wandered through to the kitchen.
Then saw who was there.
And promptly went down on one knee.
Even in his mortal body he recognized the Almighty when he saw Her.
"My Lord," he bowed his head in respect, silently praying that She didn't smite the entire Winchester house just because She felt like it.