Plays Well with Others: The Surprising Science Behind Why Everything You Know About Relationships Is (Mostly) Wrong

So treating those around you well can lead to far greater success than selfishness—even if your goal is to make mischief.

the ‘act first, think after’ principle. The problem with this kind of behaviour is that relationships will only work if the benefits are fairly equally balanced.

Remember, the rule of thumb is simple when making friends: be socially optimistic. Assume other people will like you and they probably will.

“They need to like you.”