Being wealthy is often a powerful predictor that people spend less time doing pleasurable things and more time doing compulsory things and feeling stressed.

This is the essence of intuitive heuristics: when faced with a difficult question, we often answer an easier one instead, usually without noticing the substitution.

One study found that people who just thought about watching their favorite movie actually raised their endorphin levels by 27 percent.

People who face a difficult question often answer an easier one instead, without realizing it.

Except for some effects that I attribute mostly to age, my intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy as it was before I made a study of these issues.

The concept of happiness has to be reorganised.

To better avoid errors, you should talk to people who disagree with you and you should talk to people who are not in the same emotional situation you are.