The concept of happiness has to be reorganised.

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

When you are under time pressure for a decision, you need to follow intuition.

Optimism is normal, but some fortunate people are more optimistic than the rest of us. If you are genetically endowed with an optimistic bias, you hardly need to be told that you are a lucky person - you already feel fortunate.

We're generally overconfident in our opinions and our impressions and judgments.

Intuitive diagnosis is reliable when people have a lot of relevant feedback. But people are very often willing to make intuitive diagnoses even when they're very likely to be wrong.

So your emotional state really has a lot to do with what you're thinking about and what you're paying attention to.