The mind of the polyglot is a very particular thing, and scientists are only beginning to look closely at how acquiring a second language influences learning, behavior and the very structure of the brain itself.

We are all born with an innate understanding of interpersonal equity - the idea that if you lend me your rake today, I'll respond in kind when you come to borrow my shovel tomorrow. Or nearly all of us are born with that. Psychopaths aren't.

There are a lot of obstacles in the way of our understanding animal intelligence - not the least being that we can't even agree whether nonhuman species are conscious. We accept that chimps and dolphins experience awareness; we like to think dogs and cats do. But what about mice and newts? What about a fly? Is anything going on there at all?

Learning to speak was the most remarkable thing you ever did.

I have a great support network - my family, my model agency Storm, and people I work with in the fashion industry. And, of course, there are all my followers on Twitter who stop me from feeling lonely; I love them all. They keep me grounded.

I work every day hard. I put my body through hell. Let me tell you, every year, seven months of the year, I don't see my family. Year in, year out. I miss my kids. Kid's birthdays, anniversaries. I'll never be able to go back and be with my family.

For the last five or six years the most important thing in my life has been my family.

There's a false notion that success is a zero sum game. To win in our careers we have to give up family. To work hard we have to sacrifice sleep. To accomplish we must take (or borrow or steal) from somewhere else in our lives. It's just not the case.