article_snippet: Billy said Billy knew Princess Diana was having affairs while still married to Prince Charles .
article_snippet: The Royals, Billy explained, are very careful about what The Royals say and do.
article_snippet: But Billy knew The Royals secrets.
article_snippet: Billy knew, for example, or at least said Billy knew, that Princess Diana was having affairs while still married to Prince Charles and long before it was generally known that the marriage was in trouble.
article_snippet: Billy also knew a great deal about the younger generation of The Royals.