Instagram/Prince Harry & Meghan Mar Celebrity Prince Harry's 3-year dating rule was shattered by Meghan Markle. Discover the royal romance that defied his own protocol, as revealed in his memoir 'Spare'. April 3, 2026 AceShowbiz - Prince Harry revealed in his memoir Spare that he had a strict personal rule about the pace of relationships, which he completely discarded after meeting Meghan Markle. Back in 2016, when their romance began, Harry was living a very different life as a full-time working royal residing at Kensington Palace, close to his brother, Prince William.