What people do is they pay the small loans first. Why? Because they enjoy making the number of loans smaller. But of course it is a very ineffective way to pay debt down.

With everything you do, in fact, you should train yourself to question your repeated behaviors.

The idea that you will make the right decision every time is very unlikely.

While we somehow understand revenge on an intuitive level between individuals, I do suspect that companies, assuming that people are rational, completely miss and underestimate the motivation people have for revenge.

We don't really want a huge house, but we want the house to be slightly bigger than our neighbors, and a car that is bigger than our neighbor's, and they're going on vacation that's slightly more expensive, and this escalation happens that things got out of hand.

Even the most analytical thinkers are predictably irrational; the really smart ones acknowledge and address their irrationalities.

If I gave you now, $10 as a gift, how happy would you be? Would you be happy, is the marginal $10, the best use of $10 you can use? Of course not. If I have you a CD, you know exactly what you are getting and you will have a value for it. So, money has lots of problems with it.