Prince Harry revealed a quirky household habit he shares with his father, King Charles, and brother, Prince William, which leaves his wife Meghan Markle baffled.
In the 2018 BBC documentary Prince, Son and Heir: Charles at 70, celebrating Prince Charles' 70th birthday, Harry, along with his brother William, shared some intimate details about their lives.
Among these was Harry's admission that he still refers to the late Princess Diana as 'Mummy' and his request for his father to walk Meghan down the aisle at their wedding.
However, one peculiar revelation was the trio's obsession with turning off lights, a habit instilled by Prince Charles. Harry confessed in the documentary: "He's a stickler for turning lights off." He continued: "And that's now something that I'm obsessed with as well, which is insane because actually, my wife goes 'Well, why turn the lights off?
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