You know, you take a little infant and you turn on the music mobile on their crib and you find that if you give them a music mobile which turns on automatically versus a music mobile in which - if by chance their little legs or their little hands accidentally touches it - turns on they're so much more excited if by chance it turns on because they touched it, so that desire for control over their environment is... really appears from very early on and if you look at children's first words, "no, yes."

About the only question that we would say and this is a big one in our lives that we would say you don't just use pure reason to decide the answer to is anything that affects your happiness, because then gut and reason answer very different questions. So gut tells you "How do I feel about this right now?"

I was living, growing up in a very traditional household and yet at the same time I was going to school in the United States where I was taught the importance of personal preference, so at home it was all about learning your duties and responsibilities whereas in school it was all about well you get to decide what you want you want to eat.

You know, or three kinds of ice cream bars and you'd see this and like this... okay they could clearly benefit from some more choices and I remember having these discussions with the Japanese because they you know they often like to go to Hawaii for vacation because it was definitely much cheaper for them and I would ask them, "So when you go to Hawaii, you know do eat all these other things?"

If you truly have expertise - and expertise can be say a chess master who has really mastered something or an artist or a musician of some sort you know if you give a jazz musician.

The quality of health care continues to improve, and people are living longer, but these developments mean that we're likely to eventually find ourselves in a situation in which we're forced to make difficult choices about our parents, other loved ones, or even ourselves that ultimately boil down to calculations of worth and value.

Balancing hopes, desires and an appreciating of the possibilities with a clear-eyed assessment of the limitations: that is the art of choosing.