The Duke of Sussex and his wife Duchess Meghan are set to step down as senior members of the royal family as of March 31, and Prince Harry is facing some "emotional" weeks, one of his old friends has now told Vanity Fair.

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As Harry and Meghan are just about to start a 'normal' life in Canada away from royal visits and other obligations, the Duke is finding the situation rather "bittersweet", the source claims.

Harry and Meghan's security costs will not be covered by Canada after March

Prince Harry's last weeks: "An Emotional Time"

"It's an emotional time for him in many ways," one of Prince Harry's oldest friends tells Vanity Fair, as the Duke of Sussex is facing his final royal engagements this week and next, including the the Commonwealth Service on Monday, March 9.

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"I think in many ways it's bittersweet. He's always wanted to have a regular life and to get away from the spotlight, and that's what he's doing, but it basically means walking away from his family."

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Prince Harry at Abbey Road in London last week.

It is understandably a tough time for Prince Harry, who is essentially quitting the royal family, as his old pal notes as well: "Harry's a loving loyal guy so that will be very hard for him."