Some people just don't get humour. Let's try from another angle. Mehmet: if the list was given its proper title of, as I suspect, "You know you're a christian when...", does that make it work better for you?
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'