I was excited. I'd just become a qualified teacher and I'd got my first job - supply teacher at a secondary school with a sixth form. Not bad for a twenty-three-year-old. When the head of English was off sick, I was told I had to take her A-level literature class. I revised everything I could about the Wife of Bath and was ready for the lessons. Teaching about Chaucer might be difficult but I'm up for a challenge. I took...