WhenPrincess Diana’s relationship with Prince Charlesturned rocky,Prince Philipsprang into action.

The royal wrote, “We never dreamed that he might feel like leaving you for her.

I cannot imagine anyone in their right mind leaving you for Camilla.

Prince Philip smiling

Such a prospect never entered our heads.”

Prince Philip vowed in another missive “to help you and Charles to the best of my ability.”

You are very modest about your marriage guidance skills, and I disagree with you!"

Princess Diana standing with Prince Charles

“It might have been because he felt somewhat guilty,” said Eade.

“He and the queen had pushed a lot for the wedding to go ahead.”