• Princess Kate and Prince William talk about marriage
  • THIS causes rivalry between the royals
  • They also talk about their children

The British royals usually keep their private lives under wraps, but Prince William (41) and Duchess Kate (41) are now giving insights into their marriage and the challenges it entails. In a sports podcast, one thing in particular becomes a topic.

Princess Kate and Prince William: They want to outdo each other mentally

In the podcast 'The Good, The Bad & The Rugby' by former rugby player Mike Tindall (44), the Crown Prince and Princess Anne (73) are guests and speak more openly than ever before. 

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Duchess Kate and Prince William visit a fitness center in Port Talbot
(© Getty Images)

Above all, the rivalry between Kate and William is part of their marriage, as the Princess jokingly reveals: "I don’t know where this comes from. I don’t think we’ve managed to finish a game of tennis. It becomes a mental challenge between the two of us."

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