Oldest, youngest, middle or only child. We all come somewhere. Psychologists argue that birth order is one of the key things that shape you. Comedian Rachel Anderson - 'Innate Geordie charm with increasingly assured writing' (Chortle.co.uk) - is the eldest of five. Apparently this means that she should be bossy and dominant ... which she is ... sometimes. Rachel has decided that given her huge family (her grandmother was one of 18!) she's qualified to address this huge subject. Using personal anecdotes and examples of people in the public eye, Rachel explores whether your birth order really does impact who you are.