4 better, 4 worse, 4 richer, 4 poorer

A little boy was attending his first wedding. After the service, he asked his cousin, “So a man can marry many women?” “The man just married Sixteen women,” the boy added.
His cousin was amazed that he had come to that conclusion so he asked.“How do you know that?”“Easy,” the little boy said. “All you have to do is add it up, like the Bishop said: 4 better, 4 worse, 4 richer, 4 poorer”