Clearly this boy was mocking him, of course he was, but he was not about to abandon his post. He was providing a service - safety. And if a murderer came, he could blind them with his flashlight. "Don't be silly, they don't all sleep... I mean, I'm sure some do but not all of them. I'm just saying, most people murder between those hours and this is quite the dodgy council estate." Crowley should know, he lived here and he's dodgy.

Or maybe the dodginess cancelled out other dodginess.

"I guess you don't look like you do but I thought I would ask. It's only polite. I'm sure whatever it is, is-is a temporary setback at most." He smiled down at Crowley, trying his best. "Come on, buck up. It can't be all bad."