Prince William opened up on the Apple Fitness+ podcast ‘Time to Walk’ about what happens behind closed doors at the royal family’s annual Christmas morning church service at St. Mary Magdalene on the grounds of the Sandringham estate.

So, what’s really going on between them behind closed doors? That’s what a lot of royal fans and critics can’t help but wonder when it comes to Prince William and Kate Middleton and their marriage. Luckily,

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