"When hell freezes over"
Houstonian dies and goes to hell. While down there the Devil notices that the Houstonian is not suffering like the rest. He checks the gauges and sees that it's 90 degrees and about 80% humidity. So he goes over to the Houstonian and asks why he's so happy. The Houstonian says, "I like it here. The temperature is just like Houston in June.
The Devil isn't happy with the Houstonian's answer and decides to get him, so he goes over and turns up the temperature to 100 degrees and the humidity to 90%. After turning everything up he goes looking for the Houstonian. He finds him standing around unbuttoning his shirt, just as happy as can be. The Devil quizzes the Houstonian again as to why he's so happy. The Houstonian says, "This is even better. It's like Houston in July."
The Devil, now upset, decides to really make the Houstonian suffer. He goes over to the controls and turns the heat up to 120 degrees and the humidity to 100%. "Now lets see what the Houstonian is up to," he says. So he goes looking for the Houstonian. He finds him taking his shirt off, even happier then before. The Devil can't figure it out.
He asks the Houstonian why he's happy now. The Houstonian replies, "This is great, it's just like Houston in August." The Devil says, "That's it, I'll get this guy." He goes over and turns the temperature down to a freezing 25 degrees. "Let' s see what the Houstonian has to say about this."
The Devil looks around and finds the Houstonian jumping up and down for joy and yelling,