Believe it or no, if you could only die in sudden accidents and not from disease or old age, the average person would live to be 8,938 years old, and some people who really beat the odds would live into their 40,000s.
Believe it or no, the reason Chuck E. Cheese loves celebrating birthdays is . . . according to a book on his origin story, he's an orphan who didn't know his own birthday so he loved other kids' parties.