Nightmare Remedy

"Crowley? Heavens it's late! Aren't you one to sleep at this hour?" Aziraphale questioned his friend.
There was a long pause, only Crowley's breathing coming across the line.
"I needed to know you were alright." The demon finally confessed. The words were soft, something that could have easily been drowned out by the rain if Aziraphale hadn't been listening closely enough.
"I assure you I am... Are you?"

In which Crowley's nightmares following the burning of Aziraphale's bookshop finally get the best of him, and make him admit to a little emotional vulnerability.