If there was one ubiquitous recommendation about marriage it was this: "Don't go to bed angry."

Survival prospects are poor for an animal that is not suspicious of novelty.

A large portion of the weekend effects is explained by differences in the amount of time spent with friends or family between weekends and weekdays.

Banks are run by executives, and executives protect themselves, and that does not always mean that banks are going to behave rationally.

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.

Friends are sometimes a big help when they share your feelings. In the context of decisions, the friends who will serve you best are those who understand your feelings but are not overly impressed by them.

Laziness is built deep into our nature.