"How much do they know?"
"Faith knows about me drinking blood," Sam said sheepishly.
"You told her."
"No, she saw us. She must have tracked us one night or something," Sam shrugged.
"And Dean?"
"He doesn't know. And I'm pretty sure the angels don't either."
"Sam, I'm sorry..."
"Don't be," Sam insisted, "I'm not. I told you I needed it."
"Still. Things could get real messy real fast if we don't keep this under our hats."
"I don't care," he shook his head, "as long as I get to Lilith."