By Emma Wilson Prince Harry has had a long, complicated relationship with his ‘Pa’ King Charles, and he has shed light on their turbulent bond. Writing in his explosive memoir Spare, the Duke of Sussex painted a different picture of his father and shared personal details of his childhood as he revealed Charles to be a supportive and loving father. He calls Charles ‘Pa’, while the monarch calls his youngest son “my darling boy”, and Harry included details of sweet memories shared with his father and big brother Prince William in his book. He began his book by opening with news of his mother Pri…