Growing up in a turbulent household taught me to expect the worst. Then one day I found £20 in the street and shifted my thinking Growing up in a turbulent household taught me to expect the worst. Then one day I found £20 in the street and shifted my thinking G rowing up, I was envious of one type of person. It was never the kids who were smarter, sportier or more popular. My awe was reserved for a rarer breed of people: optimists. I was hypersensitive to the ease with which they sailed through