Princess Kate and Prince William reveal marriage secrets: from in-laws to dates

Prince William and Princess Kate have learned a lot about maintaining a tight, supportive relationship in the public eye over their 11-year marriage.

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The Queen, Prince William, and more give royal marital advice.

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Ten years after meeting at the University of St Andrews, the pair married in 2011 and had three children: Prince George, Princess Charlotte, and Prince Louis.

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They have ways to maintain their marriage intact, even though they don't show affection in public. From their teasing humor to devoted date nights with or without children, discover the royal couple's marriage secrets.

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If you're going to spend the rest of your life with someone, you need to be able to laugh and support one other.

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Prince William said, "Obviously we both have a very fun time together, both have a very good sense of humour about things, we're down to earth,

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we take the mickey out of each other a lot, and she's got plenty of habits that make me laugh that I tease her about," when the royals announced their engagement in 2010.

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