Do you ever think, "The world has gone to shit, all familiar landmarks have been reduced to rubble and have been taken over by nature. How do we know where we are, still?"
It's 3:00 in the morning. Why aren't you on lookout? Also, you need to stop drinking coffee.
What? Why do I need to stop drinking coffee?
Because coffee needs water and-
Oh, I've been recycling our piss for days to use for coffee water. No need to worry about that.