But for me, it is when a student has died. I find the death of a young person the most difficult and painful of times. To explain it to other young people, to see a bright future snuffed out, is just awful. I am haunted by those deaths.
The economic dimension is very clear. I was at a dinner party, a mother got up, who's a very distinguished scientist, and said she had to get home and help her daughter with her homework. The two waiters, their faces changed. They were working their second jobs, they couldn't get home to help their kids with homework.
I've spent my whole life with people underestimating me.
We can't afford as a nation - not because of money but because of our social fabric - to have large numbers of people who are not working.
Asking the government to help you for short periods of time is different than asking the government to take care of you for the rest of your life.
Sex education has to do with what's in people's head.