“We are so bad at forecasting that we can't even tell what will make us happy. You'd think that after a lifetime of experiences that inform us about what gives us pleasure and pain, wed have a better sense of what to pursue for our own well-being. But human beings—you and I included, unfortunately—systematically overestimate how happy we will feel if we attain what we desire and how miserable we will be if we don't.”
She wasn’t joking when she said in the prelude that this was as much of a self-help book as popsci and philosophy one