"Hm... something started going through the population. We thought it was a nasty flu, but then people started dying, started coming back. It all went to shit after that. Real quick. One day, we had everything, next day? Military's shooting down civilians, the phones are going out, power..."

End of the line for how things used to work.

He takes the bottle with a grateful grin. "Hey, thanks, man. You didn't have to give me this, but I appreciate it. I'll owe you one."