"What set you apart from all the other wounded souls was that even twisted and steeped in the cruelty Alistair forced you to perform, you reached for me." Castiel grabs Dean's chin with fingers stronger than they looked, both to shock him back into silence so that he wouldn't interrupt and to keep his eyes forward. "Halfway toward the demonic, you reached for me. You should have been terrified. You should have fled, but you didn't. You cast aside your knives and reached, and I knew then you were the soul I sought."