"Will it be better than what I'm on?" Cas asked. "What about... say I wanna stop the other stuff and just take what you give me. How will I get off it? I can't just stop taking it. You know? And it kinda words. Aside from..." Cas lowered his head. "I really have that, don't I. What it says on my file. Is that all? Do I have anything else?" PTSD. He's seen the letters, knew what they stood for, but could he have a simple human condition?
"Lucifer's not a demon. He's an angel," Cas corrected. "And I don't know either. I mean... not with Lucifer. He's more powerful than me. All of them are now... if he's there." Cas looked over at Dean and sighed.
"My brother Gabriel could do it but Sam said no." And saying that made Cas looked exhausted.