The Queen is 95 years old, and as such people are beginning to wonder what will happen to the British monarchy after her death.

Royal biographer Penny Juneau says the relationship between her successor, Prince Charles, and her eldest son, Prince William, could get a little testy as they adjust to their new roles now and in the future.

"It's always going to be a little difficult," Junod told Newsweek. "They [Charles and William] are two people with very similar jobs. I think with all fathers and sons there is an element of competition. Older men don't want to give up their throne to men who are still younger."

The author does not believe their relationship is ever bad. 'I think it will always be a bit of a problem,' he said. 'I think they are closer now than they ever were, and they are both looking in the same direction.'

But those aren't the only obstacles Prince Charles faces on his way to the throne. First, the British public has become less and less interested in the monarchy. Then there is the matter of Princess Diana, who remains beloved more than 20 years after her tragic death.

"I think this will haunt him forever, unfortunately," Junod explains. 'The problem is that every wedding anniversary she is brought up again, and facts and versions of facts are brought up. There are always people who want to believe everything they see, hear, or see."

Like the royal family, Junod does not seem to be a big fan of certain Netflix shows about them. She said, "I think things like 'The Crown' are incredibly harmful and give the world a false impression of Charles."