Like, people are less likely to invest in their retirement when they have more options in their 401K plans than when they have fewer.

And guys will say looks matter, but they'll also say things like "Well, she should be smart and kind." And you know those are... so the typical responses and if you give them just a few options, like five or six, then they will rate them on the very characteristics that they said were really important to them.

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?"

Also if they choose from more options than fewer options they're less satisfied with what they choose and that is true whether they're choosing chocolates or which job offer to accept.

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."

Once the jazz musician learns all the fundamentals they can keep track of a lot of choices in an instant.

What we share with animals is a desire for choice. It's a desire to have control over our life and a desire to live and use choice as a way in which we can facilitate our ability to live and that is something we really were born with.