While the Duke of Cambridge has proven himself ready to assume his position as King of England, the Queen and some other members of the royal family, once harboured some very serious fears about William's capabilities, namely, his inability to keep calm under pressure.
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“The one person who could help, who had to help, was the Queen,” royal biographer Ingrid Seward wrote in her book My Husband and I: The Inside Story of 70 Years of the Royal Marriage.
“She knew only too well what pressures William was facing. She told her advisors she feared he might crack up like his mother had."
Prince William and Queen Elizabeth II watch a flypast of Spitfire & Hurricane aircraft from the balcony of Buckingham Palace to commemorate the 75th Anniversary of The Battle of Britain on July 10, 2015