The Confidence Woman'The wicked Australian lovechild of Sally Rooney and Aubrey Plaza.' Chris Flynn, author of Mammoth I was active and agile. I was a champion. I was a witch. I was a winner. Christina is a single mother living in the Melbourne suburbs, but to her online clients she is the esteemed Dr Ruth Carlisle, an 'executive coach and mindset expert, specialising in high performing individuals'. Dr Ruth gains her clients' trust through her coaching business,