A former royal aide believes that Kate Middleton is essential for the future of the Windsor family.

The monarchy needs reassuringly conventional royal performers to move past recent scandals.

An aide thinks that Kate is just what the troubled royal times need to move forward.

Kate has the qualities necessary for a future queen, including presence, gravitas, and regal factor.

The aide believes that Kate has mastered the ultimate long game of the monarchy.

Diana's former butler, Paul Burrell, echoes the importance of Kate for the future of the royal family.

Burrell believes that the future rests on Kate's shoulders, and her decision to remain in the marriage is crucial.

Kate's absence from the marriage could lead to the collapse of the royal family, according to Burrell.

These sentiments reflect the crucial role that Kate plays in the Windsor family and the monarchy's future.