“Studies show that aggressively expressing anger doesn't relieve anger but amplifies it. On the other hand, not expressing anger often allows it to disappear without leaving ugly traces.”

“To eke out the most happiness from an experience, we must anticipate it, savor it as it unfolds, express happiness, and recall a happy memory.”

“Studies show that each common interest between people boosts the chances of a lasting relationship and also brings about a 2 percent increase in life satisfaction.”

“Studies show that in a phenomenon called "emotional contagion," we unconsciously catch emotions from other people--whether good moods or bad ones. Taking the time to be silly means that we're infecting one another with good cheer, and people who enjoy silliness are one third more likely to be happy.”

“Another study suggested that getting one extra hour of sleep each night would do more for a person's happiness than getting a $60,000 raise.”

“The things that go wrong often make the best memories.”

“[S]tudies show that one of the best ways to lift your mood is to engineer an easy success, such as tackling a long-delayed chore.”