What is freedom? Freedom is the right to choose: the right to create for oneself the alternatives of choice. Without the possibility of choice a man is not a man but a member, an instrument, a thing. —Archibald MacLeish

What's interesting is that the way we go about finding our marriage partners today is quite different from the way it used to be in this culture.

About the only time our gut can truly outperform our reason is if we truly have developed a kind of informed intuition. So that means the chess master or someone who has really thought about it and given themselves feedback on a particular activity for at least 10,000 hours or more.

Life hands us a lot of hard choices, and other people can help us more than we might realize. We often think we should make important decisions using just our own internal resources. What are the pros and cons? What does my gut tell me? But often we have friends and family who know us in ways we don't know ourselves.

So it was constantly going back and forth between these two cultures that kept raising the question, well, how important is personal freedom? And I think that has always been of interest to me.

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.

In reality, many choices are between things that are not that much different. The value of choice depends on our ability to perceive differences between the options.