Jamie Oliver wants his children to “struggle as much as possible”. The 49-year-old chef – who has Poppy, 22, Daisy, 21, Petal, 15, Buddy, 13, and seven-year-old River with wife Jools – has spoken about his difficulties with ADHD and dyslexia but he believes it is important to face challenges throughout life. He told Psychologies magazine: “Confidence, worry and anxiety are all part of a cauldron of emotions that challenge us. “When you’re young, they can present themselves as things that hold you back. “But, as you get older, [they provide] a tension that makes you do your best work. “Life’s n…