1. Because this is not a diet book. It's a very well-informed, intelligently-written, very funny read that will enhance any bedside table, coffee table or loo shelf. 2. Mimi Spencer writes with a wit that makes you snort embarrassingly when reading her words on public transport. 3. She makes you want to read chunks of the book aloud to all your dearest friends. 4. She has created a smorgasbord of hints and tips that can work for anyone, anywhere, at whatever stage of life and girth. 5. This book makes you feel good about yourself. Really.