honestly cas is this beautiful little sunbeam that turns into the most exasperated and sarcastic fucker in the entire goddamn galaxy when dealing with annoyances and assholes and i frankly refuse to speak to anyone who doesn’t agree.
“Maybe you could fight the mark for years, maybe centuries like Cain did. But you cannot fight it forever, and when you finally turn, and you will turn, Sam and everyone you know, everyone you love, they could be long dead. Everyone except me. I’m the who’ll have to watch you murder the world so, if there is even a small chance that we can save you, I won’t let you walk out of this room.”