Bryony Gordon survived her adolescence by dreaming about the life she'd have in her twenties: the perfect job; the lovely flat; the amazing boyfriend. The reality was something of a shock. Her Telegraph column was a diary of her daily screw-ups; she lived in a series of squalid shoe boxes; and her most meaningful relationship of the entire decade was with a Marlboro Light. Essential reading for everyone whose 'best years' weren't quite what they were expecting...