People fall in love more easily when they are already troubled by another emotion because we know that any intense emotional state greatly increases the risk of falling in love.

You must be careful when you ask people whether they’re happy; it’s a question that can upset them a great deal.

Lesson no. 17: Happiness is caring about the happiness of those you love.

People fall in love more easily when they are already troubled by another emotion because we know that any intense emotional state greatly increases the risk of falling in love.

Nobody wants to live with a person who'll never be happy.

Happiness. We're tearing our hair out to try to find a definition of it, for heaven's sake. Is it joy? People will tell you that it isn't, that joy is a fleeting emotion, a moment of happiness, which is always welcome, mind you. And then what about pleasure, huh? Oh, yes, that's easy, everybody knows what that is, but there again it doesn't last. But is happiness not the sum total of lots of small joys and pleasures, huh?

Many people see happiness only in their future.