[It's entirely possible that he's still hallucinating, but hearing Aziraphale's voice a second time, responding to him, gives him more hope that this is actually real.
Crowley stumbles forward in the direction of the voice, not worried about whether it might be a trap.]
Aziraphale? I can't —
[Find you. He chokes on the words, swallows down the panic and distress to try again.]
Keep talking, angel, I'll come find you.
[It's the only thing Crowley's ever been good at, or at least he thought so until recently.]
its a very sad face
Crowley stumbles forward in the direction of the voice, not worried about whether it might be a trap.]
Aziraphale? I can't —
[Find you. He chokes on the words, swallows down the panic and distress to try again.]
Keep talking, angel, I'll come find you.
[It's the only thing Crowley's ever been good at, or at least he thought so until recently.]