Experts don't know exactly where the boundaries of their expertise are.

There is a huge wave of interest in happiness among researchers. There is a lot of happiness coaching. Everybody would like to make people happier.

Researchers who studied a thousand Dutch vacationers concluded that by far the greatest amount of happiness extracted from the vacation is derived from the anticipation period.

Divorced women, compared to married women, are less satisfied with their lives, which is not surprising. But they're actually more cheerful, when you look at the average mood they're in in the course of the day.

Mind is a machine for jumping to conclusions

There's a tendency to look at investments in isolation. Investors focus on the risk of individual securities.

Ten minutes of a smartphone in front of your nose is about the equivalent of an hour long walk in bright daylight. Imagine going for an hour long walk in bright daylight and then thinking, "Now I'll get some sleep." It ain't going to happen.