My shopping addiction hijacked my life. Now I realise what caused it 18 hours ago Noel Titheradge, Investigations correspondent and Emma Barnett, Presenter of Ready To Talk BBC Sally Gardner says she will live with the consequences of the spending for the rest of her life When children's author Sally Gardner's career first took off, friends assumed her extravagant spending was a byproduct of her newfound success. Lavish spending sprees included a £3,000 bathtub, prints by English pop artist Peter Blake, and trips to Parisian boutiques. Sally was in her early 40s when her debut book was published, setting her on a path to sales of 2.5 million copies and major literary prizes such as the Carnegie Medal. "Suddenly, I am in a different place," Sally says, "and for the first time in my life, earning really well." She says she felt "ashamed" by the amount of money she was splashing out - but was hooked on the dopamine hit.…